feat: add semanticOverride support for SEMANTIC memory strategies#696

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Merged
aidandaly24 merged 1 commit into from
Mar 27, 2026
Merged

feat: add semanticOverride support for SEMANTIC memory strategies #696

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5 changes: 5 additions & 0 deletions src/schema/llm-compacted/agentcore.ts
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Original file line numberDiff line numberDiff line change
Expand Up@@ -82,6 +82,11 @@ interface MemoryStrategy {
description?: string;
namespaces?: string[];
reflectionNamespaces?: string[]; // EPISODIC only: namespaces for cross-episode reflections
semanticOverride?: {
// Only valid when type is 'SEMANTIC'
extraction?: { appendToPrompt: string; modelId: string }; // @min 1 for both, @max 30000 for appendToPrompt
consolidation?: { appendToPrompt: string; modelId: string }; // At least one of extraction/consolidation required
};
}

// ─────────────────────────────────────────────────────────────────────────────
Expand Down
52 changes: 52 additions & 0 deletions src/schema/schemas/__tests__/agentcore-project.test.ts
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Original file line numberDiff line numberDiff line change
Expand Up@@ -452,4 +452,56 @@ describe('AgentCoreProjectSpecSchema', () => {
});
expect(result.success).toBe(false);
});

it('accepts memory with semanticOverride on SEMANTIC strategy', () => {
const result = AgentCoreProjectSpecSchema.safeParse({
...minimalProject,
memories: [
{
type: 'AgentCoreMemory',
name: 'TestMemory',
eventExpiryDuration: 30,
strategies: [
{
type: 'SEMANTIC',
namespaces: ['/users/{actorId}/facts'],
semanticOverride: {
extraction: {
appendToPrompt: 'Extract key facts',
modelId: 'anthropic.claude-3-sonnet-20240229-v1:0',
},
},
},
],
},
],
});
expect(result.success).toBe(true);
});

it('rejects memory with semanticOverride on SUMMARIZATION strategy', () => {
const result = AgentCoreProjectSpecSchema.safeParse({
...minimalProject,
memories: [
{
type: 'AgentCoreMemory',
name: 'TestMemory',
eventExpiryDuration: 30,
strategies: [
{
type: 'SUMMARIZATION',
namespaces: ['/summaries/{actorId}/{sessionId}'],
semanticOverride: {
extraction: {
appendToPrompt: 'test',
modelId: 'model-1',
},
},
},
],
},
],
});
expect(result.success).toBe(false);
});
});
8 changes: 7 additions & 1 deletion src/schema/schemas/agentcore-project.ts
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Original file line numberDiff line numberDiff line change
Expand Up@@ -30,7 +30,13 @@ export {
MemoryStrategyTypeSchema,
};
export { EvaluationLevelSchema };
export type { MemoryStrategy, MemoryStrategyType } from './primitives/memory';
export type {
MemoryStrategy,
MemoryStrategyType,
SemanticOverride,
SemanticExtractionOverride,
SemanticConsolidationOverride,
} from './primitives/memory';
export type { OnlineEvalConfig } from './primitives/online-eval-config';
export { OnlineEvalConfigSchema, OnlineEvalConfigNameSchema } from './primitives/online-eval-config';
export type { EvaluationLevel, EvaluatorConfig, LlmAsAJudgeConfig, RatingScale } from './primitives/evaluator';
Expand Down
119 changes: 118 additions & 1 deletion src/schema/schemas/primitives/__tests__/memory.test.ts
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Original file line numberDiff line numberDiff line change
@@ -1,4 +1,9 @@
import { DEFAULT_STRATEGY_NAMESPACES, MemoryStrategySchema, MemoryStrategyTypeSchema } from '../memory';
import {
DEFAULT_STRATEGY_NAMESPACES,
MemoryStrategySchema,
MemoryStrategyTypeSchema,
SemanticOverrideSchema,
} from '../memory';
import { describe, expect, it } from 'vitest';

describe('MemoryStrategyTypeSchema', () => {
Expand DownExpand Up@@ -153,3 +158,115 @@ describe('DEFAULT_STRATEGY_NAMESPACES', () => {
expect(DEFAULT_STRATEGY_NAMESPACES).not.toHaveProperty('CUSTOM');
});
});

describe('SemanticOverrideSchema', () => {
it('accepts extraction-only override', () => {
const result = SemanticOverrideSchema.safeParse({
extraction: { appendToPrompt: 'Extract key facts', modelId: 'anthropic.claude-3-sonnet-20240229-v1:0' },
});
expect(result.success).toBe(true);
});

it('accepts consolidation-only override', () => {
const result = SemanticOverrideSchema.safeParse({
consolidation: { appendToPrompt: 'Consolidate memories', modelId: 'anthropic.claude-3-sonnet-20240229-v1:0' },
});
expect(result.success).toBe(true);
});

it('accepts both extraction and consolidation', () => {
const result = SemanticOverrideSchema.safeParse({
extraction: { appendToPrompt: 'Extract', modelId: 'model-1' },
consolidation: { appendToPrompt: 'Consolidate', modelId: 'model-2' },
});
expect(result.success).toBe(true);
});

it('rejects empty override (at least one required)', () => {
const result = SemanticOverrideSchema.safeParse({});
expect(result.success).toBe(false);
});

it('rejects extraction with empty appendToPrompt', () => {
const result = SemanticOverrideSchema.safeParse({
extraction: { appendToPrompt: '', modelId: 'model-1' },
});
expect(result.success).toBe(false);
});

it('rejects extraction with missing modelId', () => {
const result = SemanticOverrideSchema.safeParse({
extraction: { appendToPrompt: 'test' },
});
expect(result.success).toBe(false);
});
});

describe('MemoryStrategySchema with semanticOverride', () => {
it('accepts SEMANTIC strategy with extraction override', () => {
const result = MemoryStrategySchema.safeParse({
type: 'SEMANTIC',
semanticOverride: {
extraction: { appendToPrompt: 'Extract key facts', modelId: 'anthropic.claude-3-sonnet-20240229-v1:0' },
},
});
expect(result.success).toBe(true);
});

it('accepts SEMANTIC strategy with both overrides', () => {
const result = MemoryStrategySchema.safeParse({
type: 'SEMANTIC',
semanticOverride: {
extraction: { appendToPrompt: 'Extract', modelId: 'model-1' },
consolidation: { appendToPrompt: 'Consolidate', modelId: 'model-2' },
},
});
expect(result.success).toBe(true);
});

it('accepts SEMANTIC strategy without override (backward compat)', () => {
const result = MemoryStrategySchema.safeParse({ type: 'SEMANTIC' });
expect(result.success).toBe(true);
});

it('rejects semanticOverride on SUMMARIZATION strategy', () => {
const result = MemoryStrategySchema.safeParse({
type: 'SUMMARIZATION',
semanticOverride: {
extraction: { appendToPrompt: 'test', modelId: 'model-1' },
},
});
expect(result.success).toBe(false);
if (!result.success) {
expect(result.error.issues.some(i => i.message.includes('SEMANTIC'))).toBe(true);
}
});

it('rejects semanticOverride on USER_PREFERENCE strategy', () => {
const result = MemoryStrategySchema.safeParse({
type: 'USER_PREFERENCE',
semanticOverride: {
extraction: { appendToPrompt: 'test', modelId: 'model-1' },
},
});
expect(result.success).toBe(false);
});

it('rejects consolidation-only semanticOverride on USER_PREFERENCE strategy', () => {
const result = MemoryStrategySchema.safeParse({
type: 'USER_PREFERENCE',
semanticOverride: {
consolidation: { appendToPrompt: 'test', modelId: 'model-1' },
},
});
expect(result.success).toBe(false);
});

it('rejects SEMANTIC strategy with empty semanticOverride', () => {
const result = MemoryStrategySchema.safeParse({
type: 'SEMANTIC',
semanticOverride: {},
});
expect(result.success).toBe(false);
});
});
11 changes: 10 additions & 1 deletion src/schema/schemas/primitives/index.ts
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Open in desktop
Original file line numberDiff line numberDiff line change
@@ -1,10 +1,19 @@
export type { MemoryStrategy, MemoryStrategyType } from './memory';
export type {
MemoryStrategy,
MemoryStrategyType,
SemanticOverride,
SemanticExtractionOverride,
SemanticConsolidationOverride,
} from './memory';
export {
DEFAULT_EPISODIC_REFLECTION_NAMESPACES,
DEFAULT_STRATEGY_NAMESPACES,
MemoryStrategyNameSchema,
MemoryStrategySchema,
MemoryStrategyTypeSchema,
SemanticOverrideSchema,
SemanticExtractionOverrideSchema,
SemanticConsolidationOverrideSchema,
} from './memory';

export type {
Expand Down
56 changes: 55 additions & 1 deletion src/schema/schemas/primitives/memory.ts
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -47,6 +47,54 @@ export const MemoryStrategyNameSchema = z
'Must begin with a letter and contain only alphanumeric characters and underscores (max 48 chars)'
);

// ============================================================================
// Semantic Override Types (CloudFormation SemanticOverride)
// ============================================================================

/**
* Configuration for overriding semantic memory extraction behavior.
* @see https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-properties-bedrockagentcore-memory-semanticoverrideextractionconfigurationinput.html
*/
export const SemanticExtractionOverrideSchema = z.object({
/** Custom prompt to append for memory extraction */
appendToPrompt: z.string().min(1).max(30000),
/** Bedrock model ID to use for extraction */
modelId: z.string().min(1),
});

export type SemanticExtractionOverride = z.infer<typeof SemanticExtractionOverrideSchema>;

/**
* Configuration for overriding semantic memory consolidation behavior.
* @see https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-properties-bedrockagentcore-memory-semanticoverrideconsolidationconfigurationinput.html
*/
export const SemanticConsolidationOverrideSchema = z.object({
/** Custom prompt to append for memory consolidation */
appendToPrompt: z.string().min(1).max(30000),
/** Bedrock model ID to use for consolidation */
modelId: z.string().min(1),
});

export type SemanticConsolidationOverride = z.infer<typeof SemanticConsolidationOverrideSchema>;

/**
* Override configuration for semantic memory strategy.
* At least one of extraction or consolidation must be provided.
* @see https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-properties-bedrockagentcore-memory-semanticoverride.html
*/
export const SemanticOverrideSchema = z
.object({
/** Override extraction behavior (custom prompt + model) */
extraction: SemanticExtractionOverrideSchema.optional(),
/** Override consolidation behavior (custom prompt + model) */
consolidation: SemanticConsolidationOverrideSchema.optional(),
})
.refine(data => data.extraction !== undefined || data.consolidation !== undefined, {
message: 'At least one of extraction or consolidation must be provided',
});

export type SemanticOverride = z.infer<typeof SemanticOverrideSchema>;

/**
* Memory strategy configuration.
* Each memory can have multiple strategies with optional namespace scoping.
Expand All@@ -63,6 +111,8 @@ export const MemoryStrategySchema = z
namespaces: z.array(z.string()).optional(),
/** Reflection namespaces for EPISODIC strategy. Required by the service for episodic strategies. */
reflectionNamespaces: z.array(z.string()).optional(),
/** Only valid when type is 'SEMANTIC'. Override extraction and/or consolidation behavior. */
semanticOverride: SemanticOverrideSchema.optional(),
})
.refine(
strategy =>
Expand All@@ -82,6 +132,10 @@ export const MemoryStrategySchema = z
message: 'Each reflectionNamespace must be a prefix of at least one namespace',
path: ['reflectionNamespaces'],
}
);
)
.refine(strategy => strategy.semanticOverride === undefined || strategy.type === 'SEMANTIC', {
message: 'semanticOverride is only valid for SEMANTIC strategy type',
path: ['semanticOverride'],
});

export type MemoryStrategy = z.infer<typeof MemoryStrategySchema>;
Loading
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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feat: add semanticOverride support for SEMANTIC memory strategies#696

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to your account

 Merged

aidandaly24
merged 1 commit into

from

Mar 27, 2026
 Merged


feat: add semanticOverride support for SEMANTIC memory strategies
#696
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5 changes: 5 additions & 0 deletions
src/schema/llm-compacted/agentcore.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -82,6 +82,11 @@ interface MemoryStrategy {
 description?: string;
 namespaces?: string[];
 reflectionNamespaces?: string[]; // EPISODIC only: namespaces for cross-episode reflections
 semanticOverride?: {
 // Only valid when type is 'SEMANTIC'
 extraction?: { appendToPrompt: string; modelId: string }; // @min 1 for both, @max 30000 for appendToPrompt
 consolidation?: { appendToPrompt: string; modelId: string }; // At least one of extraction/consolidation required
 };
}

// ─────────────────────────────────────────────────────────────────────────────
Expand Down

52 changes: 52 additions & 0 deletions
src/schema/schemas/__tests__/agentcore-project.test.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -452,4 +452,56 @@ describe('AgentCoreProjectSpecSchema', () => {
 });
 expect(result.success).toBe(false);
 });

 it('accepts memory with semanticOverride on SEMANTIC strategy', () => {
 const result = AgentCoreProjectSpecSchema.safeParse({
 ...minimalProject,
 memories: [
 {
 type: 'AgentCoreMemory',
 name: 'TestMemory',
 eventExpiryDuration: 30,
 strategies: [
 {
 type: 'SEMANTIC',
 namespaces: ['/users/{actorId}/facts'],
 semanticOverride: {
 extraction: {
 appendToPrompt: 'Extract key facts',
 modelId: 'anthropic.claude-3-sonnet-20240229-v1:0',
 },
 },
 },
 ],
 },
 ],
 });
 expect(result.success).toBe(true);
 });

 it('rejects memory with semanticOverride on SUMMARIZATION strategy', () => {
 const result = AgentCoreProjectSpecSchema.safeParse({
 ...minimalProject,
 memories: [
 {
 type: 'AgentCoreMemory',
 name: 'TestMemory',
 eventExpiryDuration: 30,
 strategies: [
 {
 type: 'SUMMARIZATION',
 namespaces: ['/summaries/{actorId}/{sessionId}'],
 semanticOverride: {
 extraction: {
 appendToPrompt: 'test',
 modelId: 'model-1',
 },
 },
 },
 ],
 },
 ],
 });
 expect(result.success).toBe(false);
 });
});

8 changes: 7 additions & 1 deletion
src/schema/schemas/agentcore-project.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -30,7 +30,13 @@ export {
 MemoryStrategyTypeSchema,
};
export { EvaluationLevelSchema };
export type { MemoryStrategy, MemoryStrategyType } from './primitives/memory';
export type {
 MemoryStrategy,
 MemoryStrategyType,
 SemanticOverride,
 SemanticExtractionOverride,
 SemanticConsolidationOverride,
} from './primitives/memory';
export type { OnlineEvalConfig } from './primitives/online-eval-config';
export { OnlineEvalConfigSchema, OnlineEvalConfigNameSchema } from './primitives/online-eval-config';
export type { EvaluationLevel, EvaluatorConfig, LlmAsAJudgeConfig, RatingScale } from './primitives/evaluator';
Expand Down

119 changes: 118 additions & 1 deletion
src/schema/schemas/primitives/__tests__/memory.test.ts

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Original file line numberDiff line numberDiff line change
@@ -1,4 +1,9 @@
import { DEFAULT_STRATEGY_NAMESPACES, MemoryStrategySchema, MemoryStrategyTypeSchema } from '../memory';
import {
 DEFAULT_STRATEGY_NAMESPACES,
 MemoryStrategySchema,
 MemoryStrategyTypeSchema,
 SemanticOverrideSchema,
} from '../memory';
import { describe, expect, it } from 'vitest';

describe('MemoryStrategyTypeSchema', () => {
Expand DownExpand Up@@ -153,3 +158,115 @@ describe('DEFAULT_STRATEGY_NAMESPACES', () => {
 expect(DEFAULT_STRATEGY_NAMESPACES).not.toHaveProperty('CUSTOM');
 });
});

describe('SemanticOverrideSchema', () => {
 it('accepts extraction-only override', () => {
 const result = SemanticOverrideSchema.safeParse({
 extraction: { appendToPrompt: 'Extract key facts', modelId: 'anthropic.claude-3-sonnet-20240229-v1:0' },
 });
 expect(result.success).toBe(true);
 });

 it('accepts consolidation-only override', () => {
 const result = SemanticOverrideSchema.safeParse({
 consolidation: { appendToPrompt: 'Consolidate memories', modelId: 'anthropic.claude-3-sonnet-20240229-v1:0' },
 });
 expect(result.success).toBe(true);
 });

 it('accepts both extraction and consolidation', () => {
 const result = SemanticOverrideSchema.safeParse({
 extraction: { appendToPrompt: 'Extract', modelId: 'model-1' },
 consolidation: { appendToPrompt: 'Consolidate', modelId: 'model-2' },
 });
 expect(result.success).toBe(true);
 });

 it('rejects empty override (at least one required)', () => {
 const result = SemanticOverrideSchema.safeParse({});
 expect(result.success).toBe(false);
 });

 it('rejects extraction with empty appendToPrompt', () => {
 const result = SemanticOverrideSchema.safeParse({
 extraction: { appendToPrompt: '', modelId: 'model-1' },
 });
 expect(result.success).toBe(false);
 });

 it('rejects extraction with missing modelId', () => {
 const result = SemanticOverrideSchema.safeParse({
 extraction: { appendToPrompt: 'test' },
 });
 expect(result.success).toBe(false);
 });
});

describe('MemoryStrategySchema with semanticOverride', () => {
 it('accepts SEMANTIC strategy with extraction override', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'SEMANTIC',
 semanticOverride: {
 extraction: { appendToPrompt: 'Extract key facts', modelId: 'anthropic.claude-3-sonnet-20240229-v1:0' },
 },
 });
 expect(result.success).toBe(true);
 });

 it('accepts SEMANTIC strategy with both overrides', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'SEMANTIC',
 semanticOverride: {
 extraction: { appendToPrompt: 'Extract', modelId: 'model-1' },
 consolidation: { appendToPrompt: 'Consolidate', modelId: 'model-2' },
 },
 });
 expect(result.success).toBe(true);
 });

 it('accepts SEMANTIC strategy without override (backward compat)', () => {
 const result = MemoryStrategySchema.safeParse({ type: 'SEMANTIC' });
 expect(result.success).toBe(true);
 });

 it('rejects semanticOverride on SUMMARIZATION strategy', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'SUMMARIZATION',
 semanticOverride: {
 extraction: { appendToPrompt: 'test', modelId: 'model-1' },
 },
 });
 expect(result.success).toBe(false);
 if (!result.success) {
 expect(result.error.issues.some(i => i.message.includes('SEMANTIC'))).toBe(true);
 }
 });

 it('rejects semanticOverride on USER_PREFERENCE strategy', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'USER_PREFERENCE',
 semanticOverride: {
 extraction: { appendToPrompt: 'test', modelId: 'model-1' },
 },
 });
 expect(result.success).toBe(false);
 });

 it('rejects consolidation-only semanticOverride on USER_PREFERENCE strategy', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'USER_PREFERENCE',
 semanticOverride: {
 consolidation: { appendToPrompt: 'test', modelId: 'model-1' },
 },
 });
 expect(result.success).toBe(false);
 });

 it('rejects SEMANTIC strategy with empty semanticOverride', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'SEMANTIC',
 semanticOverride: {},
 });
 expect(result.success).toBe(false);
 });
});

11 changes: 10 additions & 1 deletion
src/schema/schemas/primitives/index.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,10 +1,19 @@
export type { MemoryStrategy, MemoryStrategyType } from './memory';
export type {
 MemoryStrategy,
 MemoryStrategyType,
 SemanticOverride,
 SemanticExtractionOverride,
 SemanticConsolidationOverride,
} from './memory';
export {
 DEFAULT_EPISODIC_REFLECTION_NAMESPACES,
 DEFAULT_STRATEGY_NAMESPACES,
 MemoryStrategyNameSchema,
 MemoryStrategySchema,
 MemoryStrategyTypeSchema,
 SemanticOverrideSchema,
 SemanticExtractionOverrideSchema,
 SemanticConsolidationOverrideSchema,
} from './memory';

export type {
Expand Down

56 changes: 55 additions & 1 deletion
src/schema/schemas/primitives/memory.ts

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -47,6 +47,54 @@ export const MemoryStrategyNameSchema = z
 'Must begin with a letter and contain only alphanumeric characters and underscores (max 48 chars)'
 );

// ============================================================================
// Semantic Override Types (CloudFormation SemanticOverride)
// ============================================================================

/**
 * Configuration for overriding semantic memory extraction behavior.
 * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-properties-bedrockagentcore-memory-semanticoverrideextractionconfigurationinput.html
 */
export const SemanticExtractionOverrideSchema = z.object({
 /** Custom prompt to append for memory extraction */
 appendToPrompt: z.string().min(1).max(30000),
 /** Bedrock model ID to use for extraction */
 modelId: z.string().min(1),
});

export type SemanticExtractionOverride = z.infer<typeof SemanticExtractionOverrideSchema>;

/**
 * Configuration for overriding semantic memory consolidation behavior.
 * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-properties-bedrockagentcore-memory-semanticoverrideconsolidationconfigurationinput.html
 */
export const SemanticConsolidationOverrideSchema = z.object({
 /** Custom prompt to append for memory consolidation */
 appendToPrompt: z.string().min(1).max(30000),
 /** Bedrock model ID to use for consolidation */
 modelId: z.string().min(1),
});

export type SemanticConsolidationOverride = z.infer<typeof SemanticConsolidationOverrideSchema>;

/**
 * Override configuration for semantic memory strategy.
 * At least one of extraction or consolidation must be provided.
 * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-properties-bedrockagentcore-memory-semanticoverride.html
 */
export const SemanticOverrideSchema = z
 .object({
 /** Override extraction behavior (custom prompt + model) */
 extraction: SemanticExtractionOverrideSchema.optional(),
 /** Override consolidation behavior (custom prompt + model) */
 consolidation: SemanticConsolidationOverrideSchema.optional(),
 })
 .refine(data => data.extraction !== undefined || data.consolidation !== undefined, {
 message: 'At least one of extraction or consolidation must be provided',
 });

export type SemanticOverride = z.infer<typeof SemanticOverrideSchema>;

/**
 * Memory strategy configuration.
 * Each memory can have multiple strategies with optional namespace scoping.
Expand All@@ -63,6 +111,8 @@ export const MemoryStrategySchema = z
 namespaces: z.array(z.string()).optional(),
 /** Reflection namespaces for EPISODIC strategy. Required by the service for episodic strategies. */
 reflectionNamespaces: z.array(z.string()).optional(),
 /** Only valid when type is 'SEMANTIC'. Override extraction and/or consolidation behavior. */
 semanticOverride: SemanticOverrideSchema.optional(),
 })
 .refine(
 strategy =>
Expand All@@ -82,6 +132,10 @@ export const MemoryStrategySchema = z
 message: 'Each reflectionNamespace must be a prefix of at least one namespace',
 path: ['reflectionNamespaces'],
 }
 );
 )
 .refine(strategy => strategy.semanticOverride === undefined || strategy.type === 'SEMANTIC', {
 message: 'semanticOverride is only valid for SEMANTIC strategy type',
 path: ['semanticOverride'],
 });

export type MemoryStrategy = z.infer<typeof MemoryStrategySchema>;
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
feat: add semanticOverride support for SEMANTIC memory strategies#696

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aidandaly24
merged 1 commit into

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Mar 27, 2026
 Merged


feat: add semanticOverride support for SEMANTIC memory strategies
#696
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5 changes: 5 additions & 0 deletions
src/schema/llm-compacted/agentcore.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -82,6 +82,11 @@ interface MemoryStrategy {
 description?: string;
 namespaces?: string[];
 reflectionNamespaces?: string[]; // EPISODIC only: namespaces for cross-episode reflections
 semanticOverride?: {
 // Only valid when type is 'SEMANTIC'
 extraction?: { appendToPrompt: string; modelId: string }; // @min 1 for both, @max 30000 for appendToPrompt
 consolidation?: { appendToPrompt: string; modelId: string }; // At least one of extraction/consolidation required
 };
}

// ─────────────────────────────────────────────────────────────────────────────
Expand Down

52 changes: 52 additions & 0 deletions
src/schema/schemas/__tests__/agentcore-project.test.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -452,4 +452,56 @@ describe('AgentCoreProjectSpecSchema', () => {
 });
 expect(result.success).toBe(false);
 });

 it('accepts memory with semanticOverride on SEMANTIC strategy', () => {
 const result = AgentCoreProjectSpecSchema.safeParse({
 ...minimalProject,
 memories: [
 {
 type: 'AgentCoreMemory',
 name: 'TestMemory',
 eventExpiryDuration: 30,
 strategies: [
 {
 type: 'SEMANTIC',
 namespaces: ['/users/{actorId}/facts'],
 semanticOverride: {
 extraction: {
 appendToPrompt: 'Extract key facts',
 modelId: 'anthropic.claude-3-sonnet-20240229-v1:0',
 },
 },
 },
 ],
 },
 ],
 });
 expect(result.success).toBe(true);
 });

 it('rejects memory with semanticOverride on SUMMARIZATION strategy', () => {
 const result = AgentCoreProjectSpecSchema.safeParse({
 ...minimalProject,
 memories: [
 {
 type: 'AgentCoreMemory',
 name: 'TestMemory',
 eventExpiryDuration: 30,
 strategies: [
 {
 type: 'SUMMARIZATION',
 namespaces: ['/summaries/{actorId}/{sessionId}'],
 semanticOverride: {
 extraction: {
 appendToPrompt: 'test',
 modelId: 'model-1',
 },
 },
 },
 ],
 },
 ],
 });
 expect(result.success).toBe(false);
 });
});

8 changes: 7 additions & 1 deletion
src/schema/schemas/agentcore-project.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -30,7 +30,13 @@ export {
 MemoryStrategyTypeSchema,
};
export { EvaluationLevelSchema };
export type { MemoryStrategy, MemoryStrategyType } from './primitives/memory';
export type {
 MemoryStrategy,
 MemoryStrategyType,
 SemanticOverride,
 SemanticExtractionOverride,
 SemanticConsolidationOverride,
} from './primitives/memory';
export type { OnlineEvalConfig } from './primitives/online-eval-config';
export { OnlineEvalConfigSchema, OnlineEvalConfigNameSchema } from './primitives/online-eval-config';
export type { EvaluationLevel, EvaluatorConfig, LlmAsAJudgeConfig, RatingScale } from './primitives/evaluator';
Expand Down

119 changes: 118 additions & 1 deletion
src/schema/schemas/primitives/__tests__/memory.test.ts

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Original file line numberDiff line numberDiff line change
@@ -1,4 +1,9 @@
import { DEFAULT_STRATEGY_NAMESPACES, MemoryStrategySchema, MemoryStrategyTypeSchema } from '../memory';
import {
 DEFAULT_STRATEGY_NAMESPACES,
 MemoryStrategySchema,
 MemoryStrategyTypeSchema,
 SemanticOverrideSchema,
} from '../memory';
import { describe, expect, it } from 'vitest';

describe('MemoryStrategyTypeSchema', () => {
Expand DownExpand Up@@ -153,3 +158,115 @@ describe('DEFAULT_STRATEGY_NAMESPACES', () => {
 expect(DEFAULT_STRATEGY_NAMESPACES).not.toHaveProperty('CUSTOM');
 });
});

describe('SemanticOverrideSchema', () => {
 it('accepts extraction-only override', () => {
 const result = SemanticOverrideSchema.safeParse({
 extraction: { appendToPrompt: 'Extract key facts', modelId: 'anthropic.claude-3-sonnet-20240229-v1:0' },
 });
 expect(result.success).toBe(true);
 });

 it('accepts consolidation-only override', () => {
 const result = SemanticOverrideSchema.safeParse({
 consolidation: { appendToPrompt: 'Consolidate memories', modelId: 'anthropic.claude-3-sonnet-20240229-v1:0' },
 });
 expect(result.success).toBe(true);
 });

 it('accepts both extraction and consolidation', () => {
 const result = SemanticOverrideSchema.safeParse({
 extraction: { appendToPrompt: 'Extract', modelId: 'model-1' },
 consolidation: { appendToPrompt: 'Consolidate', modelId: 'model-2' },
 });
 expect(result.success).toBe(true);
 });

 it('rejects empty override (at least one required)', () => {
 const result = SemanticOverrideSchema.safeParse({});
 expect(result.success).toBe(false);
 });

 it('rejects extraction with empty appendToPrompt', () => {
 const result = SemanticOverrideSchema.safeParse({
 extraction: { appendToPrompt: '', modelId: 'model-1' },
 });
 expect(result.success).toBe(false);
 });

 it('rejects extraction with missing modelId', () => {
 const result = SemanticOverrideSchema.safeParse({
 extraction: { appendToPrompt: 'test' },
 });
 expect(result.success).toBe(false);
 });
});

describe('MemoryStrategySchema with semanticOverride', () => {
 it('accepts SEMANTIC strategy with extraction override', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'SEMANTIC',
 semanticOverride: {
 extraction: { appendToPrompt: 'Extract key facts', modelId: 'anthropic.claude-3-sonnet-20240229-v1:0' },
 },
 });
 expect(result.success).toBe(true);
 });

 it('accepts SEMANTIC strategy with both overrides', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'SEMANTIC',
 semanticOverride: {
 extraction: { appendToPrompt: 'Extract', modelId: 'model-1' },
 consolidation: { appendToPrompt: 'Consolidate', modelId: 'model-2' },
 },
 });
 expect(result.success).toBe(true);
 });

 it('accepts SEMANTIC strategy without override (backward compat)', () => {
 const result = MemoryStrategySchema.safeParse({ type: 'SEMANTIC' });
 expect(result.success).toBe(true);
 });

 it('rejects semanticOverride on SUMMARIZATION strategy', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'SUMMARIZATION',
 semanticOverride: {
 extraction: { appendToPrompt: 'test', modelId: 'model-1' },
 },
 });
 expect(result.success).toBe(false);
 if (!result.success) {
 expect(result.error.issues.some(i => i.message.includes('SEMANTIC'))).toBe(true);
 }
 });

 it('rejects semanticOverride on USER_PREFERENCE strategy', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'USER_PREFERENCE',
 semanticOverride: {
 extraction: { appendToPrompt: 'test', modelId: 'model-1' },
 },
 });
 expect(result.success).toBe(false);
 });

 it('rejects consolidation-only semanticOverride on USER_PREFERENCE strategy', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'USER_PREFERENCE',
 semanticOverride: {
 consolidation: { appendToPrompt: 'test', modelId: 'model-1' },
 },
 });
 expect(result.success).toBe(false);
 });

 it('rejects SEMANTIC strategy with empty semanticOverride', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'SEMANTIC',
 semanticOverride: {},
 });
 expect(result.success).toBe(false);
 });
});

11 changes: 10 additions & 1 deletion
src/schema/schemas/primitives/index.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,10 +1,19 @@
export type { MemoryStrategy, MemoryStrategyType } from './memory';
export type {
 MemoryStrategy,
 MemoryStrategyType,
 SemanticOverride,
 SemanticExtractionOverride,
 SemanticConsolidationOverride,
} from './memory';
export {
 DEFAULT_EPISODIC_REFLECTION_NAMESPACES,
 DEFAULT_STRATEGY_NAMESPACES,
 MemoryStrategyNameSchema,
 MemoryStrategySchema,
 MemoryStrategyTypeSchema,
 SemanticOverrideSchema,
 SemanticExtractionOverrideSchema,
 SemanticConsolidationOverrideSchema,
} from './memory';

export type {
Expand Down

56 changes: 55 additions & 1 deletion
src/schema/schemas/primitives/memory.ts

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -47,6 +47,54 @@ export const MemoryStrategyNameSchema = z
 'Must begin with a letter and contain only alphanumeric characters and underscores (max 48 chars)'
 );

// ============================================================================
// Semantic Override Types (CloudFormation SemanticOverride)
// ============================================================================

/**
 * Configuration for overriding semantic memory extraction behavior.
 * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-properties-bedrockagentcore-memory-semanticoverrideextractionconfigurationinput.html
 */
export const SemanticExtractionOverrideSchema = z.object({
 /** Custom prompt to append for memory extraction */
 appendToPrompt: z.string().min(1).max(30000),
 /** Bedrock model ID to use for extraction */
 modelId: z.string().min(1),
});

export type SemanticExtractionOverride = z.infer<typeof SemanticExtractionOverrideSchema>;

/**
 * Configuration for overriding semantic memory consolidation behavior.
 * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-properties-bedrockagentcore-memory-semanticoverrideconsolidationconfigurationinput.html
 */
export const SemanticConsolidationOverrideSchema = z.object({
 /** Custom prompt to append for memory consolidation */
 appendToPrompt: z.string().min(1).max(30000),
 /** Bedrock model ID to use for consolidation */
 modelId: z.string().min(1),
});

export type SemanticConsolidationOverride = z.infer<typeof SemanticConsolidationOverrideSchema>;

/**
 * Override configuration for semantic memory strategy.
 * At least one of extraction or consolidation must be provided.
 * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-properties-bedrockagentcore-memory-semanticoverride.html
 */
export const SemanticOverrideSchema = z
 .object({
 /** Override extraction behavior (custom prompt + model) */
 extraction: SemanticExtractionOverrideSchema.optional(),
 /** Override consolidation behavior (custom prompt + model) */
 consolidation: SemanticConsolidationOverrideSchema.optional(),
 })
 .refine(data => data.extraction !== undefined || data.consolidation !== undefined, {
 message: 'At least one of extraction or consolidation must be provided',
 });

export type SemanticOverride = z.infer<typeof SemanticOverrideSchema>;

/**
 * Memory strategy configuration.
 * Each memory can have multiple strategies with optional namespace scoping.
Expand All@@ -63,6 +111,8 @@ export const MemoryStrategySchema = z
 namespaces: z.array(z.string()).optional(),
 /** Reflection namespaces for EPISODIC strategy. Required by the service for episodic strategies. */
 reflectionNamespaces: z.array(z.string()).optional(),
 /** Only valid when type is 'SEMANTIC'. Override extraction and/or consolidation behavior. */
 semanticOverride: SemanticOverrideSchema.optional(),
 })
 .refine(
 strategy =>
Expand All@@ -82,6 +132,10 @@ export const MemoryStrategySchema = z
 message: 'Each reflectionNamespace must be a prefix of at least one namespace',
 path: ['reflectionNamespaces'],
 }
 );
 )
 .refine(strategy => strategy.semanticOverride === undefined || strategy.type === 'SEMANTIC', {
 message: 'semanticOverride is only valid for SEMANTIC strategy type',
 path: ['semanticOverride'],
 });

export type MemoryStrategy = z.infer<typeof MemoryStrategySchema>;
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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feat: add semanticOverride support for SEMANTIC memory strategies#696

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 Merged

aidandaly24
merged 1 commit into

from

Mar 27, 2026
 Merged


feat: add semanticOverride support for SEMANTIC memory strategies
#696
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5 changes: 5 additions & 0 deletions
src/schema/llm-compacted/agentcore.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -82,6 +82,11 @@ interface MemoryStrategy {
 description?: string;
 namespaces?: string[];
 reflectionNamespaces?: string[]; // EPISODIC only: namespaces for cross-episode reflections
 semanticOverride?: {
 // Only valid when type is 'SEMANTIC'
 extraction?: { appendToPrompt: string; modelId: string }; // @min 1 for both, @max 30000 for appendToPrompt
 consolidation?: { appendToPrompt: string; modelId: string }; // At least one of extraction/consolidation required
 };
}

// ─────────────────────────────────────────────────────────────────────────────
Expand Down

52 changes: 52 additions & 0 deletions
src/schema/schemas/__tests__/agentcore-project.test.ts

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -452,4 +452,56 @@ describe('AgentCoreProjectSpecSchema', () => {
 });
 expect(result.success).toBe(false);
 });

 it('accepts memory with semanticOverride on SEMANTIC strategy', () => {
 const result = AgentCoreProjectSpecSchema.safeParse({
 ...minimalProject,
 memories: [
 {
 type: 'AgentCoreMemory',
 name: 'TestMemory',
 eventExpiryDuration: 30,
 strategies: [
 {
 type: 'SEMANTIC',
 namespaces: ['/users/{actorId}/facts'],
 semanticOverride: {
 extraction: {
 appendToPrompt: 'Extract key facts',
 modelId: 'anthropic.claude-3-sonnet-20240229-v1:0',
 },
 },
 },
 ],
 },
 ],
 });
 expect(result.success).toBe(true);
 });

 it('rejects memory with semanticOverride on SUMMARIZATION strategy', () => {
 const result = AgentCoreProjectSpecSchema.safeParse({
 ...minimalProject,
 memories: [
 {
 type: 'AgentCoreMemory',
 name: 'TestMemory',
 eventExpiryDuration: 30,
 strategies: [
 {
 type: 'SUMMARIZATION',
 namespaces: ['/summaries/{actorId}/{sessionId}'],
 semanticOverride: {
 extraction: {
 appendToPrompt: 'test',
 modelId: 'model-1',
 },
 },
 },
 ],
 },
 ],
 });
 expect(result.success).toBe(false);
 });
});

8 changes: 7 additions & 1 deletion
src/schema/schemas/agentcore-project.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -30,7 +30,13 @@ export {
 MemoryStrategyTypeSchema,
};
export { EvaluationLevelSchema };
export type { MemoryStrategy, MemoryStrategyType } from './primitives/memory';
export type {
 MemoryStrategy,
 MemoryStrategyType,
 SemanticOverride,
 SemanticExtractionOverride,
 SemanticConsolidationOverride,
} from './primitives/memory';
export type { OnlineEvalConfig } from './primitives/online-eval-config';
export { OnlineEvalConfigSchema, OnlineEvalConfigNameSchema } from './primitives/online-eval-config';
export type { EvaluationLevel, EvaluatorConfig, LlmAsAJudgeConfig, RatingScale } from './primitives/evaluator';
Expand Down

119 changes: 118 additions & 1 deletion
src/schema/schemas/primitives/__tests__/memory.test.ts

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Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,4 +1,9 @@
import { DEFAULT_STRATEGY_NAMESPACES, MemoryStrategySchema, MemoryStrategyTypeSchema } from '../memory';
import {
 DEFAULT_STRATEGY_NAMESPACES,
 MemoryStrategySchema,
 MemoryStrategyTypeSchema,
 SemanticOverrideSchema,
} from '../memory';
import { describe, expect, it } from 'vitest';

describe('MemoryStrategyTypeSchema', () => {
Expand DownExpand Up@@ -153,3 +158,115 @@ describe('DEFAULT_STRATEGY_NAMESPACES', () => {
 expect(DEFAULT_STRATEGY_NAMESPACES).not.toHaveProperty('CUSTOM');
 });
});

describe('SemanticOverrideSchema', () => {
 it('accepts extraction-only override', () => {
 const result = SemanticOverrideSchema.safeParse({
 extraction: { appendToPrompt: 'Extract key facts', modelId: 'anthropic.claude-3-sonnet-20240229-v1:0' },
 });
 expect(result.success).toBe(true);
 });

 it('accepts consolidation-only override', () => {
 const result = SemanticOverrideSchema.safeParse({
 consolidation: { appendToPrompt: 'Consolidate memories', modelId: 'anthropic.claude-3-sonnet-20240229-v1:0' },
 });
 expect(result.success).toBe(true);
 });

 it('accepts both extraction and consolidation', () => {
 const result = SemanticOverrideSchema.safeParse({
 extraction: { appendToPrompt: 'Extract', modelId: 'model-1' },
 consolidation: { appendToPrompt: 'Consolidate', modelId: 'model-2' },
 });
 expect(result.success).toBe(true);
 });

 it('rejects empty override (at least one required)', () => {
 const result = SemanticOverrideSchema.safeParse({});
 expect(result.success).toBe(false);
 });

 it('rejects extraction with empty appendToPrompt', () => {
 const result = SemanticOverrideSchema.safeParse({
 extraction: { appendToPrompt: '', modelId: 'model-1' },
 });
 expect(result.success).toBe(false);
 });

 it('rejects extraction with missing modelId', () => {
 const result = SemanticOverrideSchema.safeParse({
 extraction: { appendToPrompt: 'test' },
 });
 expect(result.success).toBe(false);
 });
});

describe('MemoryStrategySchema with semanticOverride', () => {
 it('accepts SEMANTIC strategy with extraction override', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'SEMANTIC',
 semanticOverride: {
 extraction: { appendToPrompt: 'Extract key facts', modelId: 'anthropic.claude-3-sonnet-20240229-v1:0' },
 },
 });
 expect(result.success).toBe(true);
 });

 it('accepts SEMANTIC strategy with both overrides', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'SEMANTIC',
 semanticOverride: {
 extraction: { appendToPrompt: 'Extract', modelId: 'model-1' },
 consolidation: { appendToPrompt: 'Consolidate', modelId: 'model-2' },
 },
 });
 expect(result.success).toBe(true);
 });

 it('accepts SEMANTIC strategy without override (backward compat)', () => {
 const result = MemoryStrategySchema.safeParse({ type: 'SEMANTIC' });
 expect(result.success).toBe(true);
 });

 it('rejects semanticOverride on SUMMARIZATION strategy', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'SUMMARIZATION',
 semanticOverride: {
 extraction: { appendToPrompt: 'test', modelId: 'model-1' },
 },
 });
 expect(result.success).toBe(false);
 if (!result.success) {
 expect(result.error.issues.some(i => i.message.includes('SEMANTIC'))).toBe(true);
 }
 });

 it('rejects semanticOverride on USER_PREFERENCE strategy', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'USER_PREFERENCE',
 semanticOverride: {
 extraction: { appendToPrompt: 'test', modelId: 'model-1' },
 },
 });
 expect(result.success).toBe(false);
 });

 it('rejects consolidation-only semanticOverride on USER_PREFERENCE strategy', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'USER_PREFERENCE',
 semanticOverride: {
 consolidation: { appendToPrompt: 'test', modelId: 'model-1' },
 },
 });
 expect(result.success).toBe(false);
 });

 it('rejects SEMANTIC strategy with empty semanticOverride', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'SEMANTIC',
 semanticOverride: {},
 });
 expect(result.success).toBe(false);
 });
});

11 changes: 10 additions & 1 deletion
src/schema/schemas/primitives/index.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,10 +1,19 @@
export type { MemoryStrategy, MemoryStrategyType } from './memory';
export type {
 MemoryStrategy,
 MemoryStrategyType,
 SemanticOverride,
 SemanticExtractionOverride,
 SemanticConsolidationOverride,
} from './memory';
export {
 DEFAULT_EPISODIC_REFLECTION_NAMESPACES,
 DEFAULT_STRATEGY_NAMESPACES,
 MemoryStrategyNameSchema,
 MemoryStrategySchema,
 MemoryStrategyTypeSchema,
 SemanticOverrideSchema,
 SemanticExtractionOverrideSchema,
 SemanticConsolidationOverrideSchema,
} from './memory';

export type {
Expand Down

56 changes: 55 additions & 1 deletion
src/schema/schemas/primitives/memory.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -47,6 +47,54 @@ export const MemoryStrategyNameSchema = z
 'Must begin with a letter and contain only alphanumeric characters and underscores (max 48 chars)'
 );

// ============================================================================
// Semantic Override Types (CloudFormation SemanticOverride)
// ============================================================================

/**
 * Configuration for overriding semantic memory extraction behavior.
 * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-properties-bedrockagentcore-memory-semanticoverrideextractionconfigurationinput.html
 */
export const SemanticExtractionOverrideSchema = z.object({
 /** Custom prompt to append for memory extraction */
 appendToPrompt: z.string().min(1).max(30000),
 /** Bedrock model ID to use for extraction */
 modelId: z.string().min(1),
});

export type SemanticExtractionOverride = z.infer<typeof SemanticExtractionOverrideSchema>;

/**
 * Configuration for overriding semantic memory consolidation behavior.
 * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-properties-bedrockagentcore-memory-semanticoverrideconsolidationconfigurationinput.html
 */
export const SemanticConsolidationOverrideSchema = z.object({
 /** Custom prompt to append for memory consolidation */
 appendToPrompt: z.string().min(1).max(30000),
 /** Bedrock model ID to use for consolidation */
 modelId: z.string().min(1),
});

export type SemanticConsolidationOverride = z.infer<typeof SemanticConsolidationOverrideSchema>;

/**
 * Override configuration for semantic memory strategy.
 * At least one of extraction or consolidation must be provided.
 * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-properties-bedrockagentcore-memory-semanticoverride.html
 */
export const SemanticOverrideSchema = z
 .object({
 /** Override extraction behavior (custom prompt + model) */
 extraction: SemanticExtractionOverrideSchema.optional(),
 /** Override consolidation behavior (custom prompt + model) */
 consolidation: SemanticConsolidationOverrideSchema.optional(),
 })
 .refine(data => data.extraction !== undefined || data.consolidation !== undefined, {
 message: 'At least one of extraction or consolidation must be provided',
 });

export type SemanticOverride = z.infer<typeof SemanticOverrideSchema>;

/**
 * Memory strategy configuration.
 * Each memory can have multiple strategies with optional namespace scoping.
Expand All@@ -63,6 +111,8 @@ export const MemoryStrategySchema = z
 namespaces: z.array(z.string()).optional(),
 /** Reflection namespaces for EPISODIC strategy. Required by the service for episodic strategies. */
 reflectionNamespaces: z.array(z.string()).optional(),
 /** Only valid when type is 'SEMANTIC'. Override extraction and/or consolidation behavior. */
 semanticOverride: SemanticOverrideSchema.optional(),
 })
 .refine(
 strategy =>
Expand All@@ -82,6 +132,10 @@ export const MemoryStrategySchema = z
 message: 'Each reflectionNamespace must be a prefix of at least one namespace',
 path: ['reflectionNamespaces'],
 }
 );
 )
 .refine(strategy => strategy.semanticOverride === undefined || strategy.type === 'SEMANTIC', {
 message: 'semanticOverride is only valid for SEMANTIC strategy type',
 path: ['semanticOverride'],
 });

export type MemoryStrategy = z.infer<typeof MemoryStrategySchema>;
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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feat: add semanticOverride support for SEMANTIC memory strategies#696

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aidandaly24
merged 1 commit into

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Mar 27, 2026
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feat: add semanticOverride support for SEMANTIC memory strategies
#696
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5 changes: 5 additions & 0 deletions
src/schema/llm-compacted/agentcore.ts

View file


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Original file line numberDiff line numberDiff line change
Expand Up@@ -82,6 +82,11 @@ interface MemoryStrategy {
 description?: string;
 namespaces?: string[];
 reflectionNamespaces?: string[]; // EPISODIC only: namespaces for cross-episode reflections
 semanticOverride?: {
 // Only valid when type is 'SEMANTIC'
 extraction?: { appendToPrompt: string; modelId: string }; // @min 1 for both, @max 30000 for appendToPrompt
 consolidation?: { appendToPrompt: string; modelId: string }; // At least one of extraction/consolidation required
 };
}

// ─────────────────────────────────────────────────────────────────────────────
Expand Down

52 changes: 52 additions & 0 deletions
src/schema/schemas/__tests__/agentcore-project.test.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -452,4 +452,56 @@ describe('AgentCoreProjectSpecSchema', () => {
 });
 expect(result.success).toBe(false);
 });

 it('accepts memory with semanticOverride on SEMANTIC strategy', () => {
 const result = AgentCoreProjectSpecSchema.safeParse({
 ...minimalProject,
 memories: [
 {
 type: 'AgentCoreMemory',
 name: 'TestMemory',
 eventExpiryDuration: 30,
 strategies: [
 {
 type: 'SEMANTIC',
 namespaces: ['/users/{actorId}/facts'],
 semanticOverride: {
 extraction: {
 appendToPrompt: 'Extract key facts',
 modelId: 'anthropic.claude-3-sonnet-20240229-v1:0',
 },
 },
 },
 ],
 },
 ],
 });
 expect(result.success).toBe(true);
 });

 it('rejects memory with semanticOverride on SUMMARIZATION strategy', () => {
 const result = AgentCoreProjectSpecSchema.safeParse({
 ...minimalProject,
 memories: [
 {
 type: 'AgentCoreMemory',
 name: 'TestMemory',
 eventExpiryDuration: 30,
 strategies: [
 {
 type: 'SUMMARIZATION',
 namespaces: ['/summaries/{actorId}/{sessionId}'],
 semanticOverride: {
 extraction: {
 appendToPrompt: 'test',
 modelId: 'model-1',
 },
 },
 },
 ],
 },
 ],
 });
 expect(result.success).toBe(false);
 });
});

8 changes: 7 additions & 1 deletion
src/schema/schemas/agentcore-project.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -30,7 +30,13 @@ export {
 MemoryStrategyTypeSchema,
};
export { EvaluationLevelSchema };
export type { MemoryStrategy, MemoryStrategyType } from './primitives/memory';
export type {
 MemoryStrategy,
 MemoryStrategyType,
 SemanticOverride,
 SemanticExtractionOverride,
 SemanticConsolidationOverride,
} from './primitives/memory';
export type { OnlineEvalConfig } from './primitives/online-eval-config';
export { OnlineEvalConfigSchema, OnlineEvalConfigNameSchema } from './primitives/online-eval-config';
export type { EvaluationLevel, EvaluatorConfig, LlmAsAJudgeConfig, RatingScale } from './primitives/evaluator';
Expand Down

119 changes: 118 additions & 1 deletion
src/schema/schemas/primitives/__tests__/memory.test.ts

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Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,4 +1,9 @@
import { DEFAULT_STRATEGY_NAMESPACES, MemoryStrategySchema, MemoryStrategyTypeSchema } from '../memory';
import {
 DEFAULT_STRATEGY_NAMESPACES,
 MemoryStrategySchema,
 MemoryStrategyTypeSchema,
 SemanticOverrideSchema,
} from '../memory';
import { describe, expect, it } from 'vitest';

describe('MemoryStrategyTypeSchema', () => {
Expand DownExpand Up@@ -153,3 +158,115 @@ describe('DEFAULT_STRATEGY_NAMESPACES', () => {
 expect(DEFAULT_STRATEGY_NAMESPACES).not.toHaveProperty('CUSTOM');
 });
});

describe('SemanticOverrideSchema', () => {
 it('accepts extraction-only override', () => {
 const result = SemanticOverrideSchema.safeParse({
 extraction: { appendToPrompt: 'Extract key facts', modelId: 'anthropic.claude-3-sonnet-20240229-v1:0' },
 });
 expect(result.success).toBe(true);
 });

 it('accepts consolidation-only override', () => {
 const result = SemanticOverrideSchema.safeParse({
 consolidation: { appendToPrompt: 'Consolidate memories', modelId: 'anthropic.claude-3-sonnet-20240229-v1:0' },
 });
 expect(result.success).toBe(true);
 });

 it('accepts both extraction and consolidation', () => {
 const result = SemanticOverrideSchema.safeParse({
 extraction: { appendToPrompt: 'Extract', modelId: 'model-1' },
 consolidation: { appendToPrompt: 'Consolidate', modelId: 'model-2' },
 });
 expect(result.success).toBe(true);
 });

 it('rejects empty override (at least one required)', () => {
 const result = SemanticOverrideSchema.safeParse({});
 expect(result.success).toBe(false);
 });

 it('rejects extraction with empty appendToPrompt', () => {
 const result = SemanticOverrideSchema.safeParse({
 extraction: { appendToPrompt: '', modelId: 'model-1' },
 });
 expect(result.success).toBe(false);
 });

 it('rejects extraction with missing modelId', () => {
 const result = SemanticOverrideSchema.safeParse({
 extraction: { appendToPrompt: 'test' },
 });
 expect(result.success).toBe(false);
 });
});

describe('MemoryStrategySchema with semanticOverride', () => {
 it('accepts SEMANTIC strategy with extraction override', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'SEMANTIC',
 semanticOverride: {
 extraction: { appendToPrompt: 'Extract key facts', modelId: 'anthropic.claude-3-sonnet-20240229-v1:0' },
 },
 });
 expect(result.success).toBe(true);
 });

 it('accepts SEMANTIC strategy with both overrides', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'SEMANTIC',
 semanticOverride: {
 extraction: { appendToPrompt: 'Extract', modelId: 'model-1' },
 consolidation: { appendToPrompt: 'Consolidate', modelId: 'model-2' },
 },
 });
 expect(result.success).toBe(true);
 });

 it('accepts SEMANTIC strategy without override (backward compat)', () => {
 const result = MemoryStrategySchema.safeParse({ type: 'SEMANTIC' });
 expect(result.success).toBe(true);
 });

 it('rejects semanticOverride on SUMMARIZATION strategy', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'SUMMARIZATION',
 semanticOverride: {
 extraction: { appendToPrompt: 'test', modelId: 'model-1' },
 },
 });
 expect(result.success).toBe(false);
 if (!result.success) {
 expect(result.error.issues.some(i => i.message.includes('SEMANTIC'))).toBe(true);
 }
 });

 it('rejects semanticOverride on USER_PREFERENCE strategy', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'USER_PREFERENCE',
 semanticOverride: {
 extraction: { appendToPrompt: 'test', modelId: 'model-1' },
 },
 });
 expect(result.success).toBe(false);
 });

 it('rejects consolidation-only semanticOverride on USER_PREFERENCE strategy', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'USER_PREFERENCE',
 semanticOverride: {
 consolidation: { appendToPrompt: 'test', modelId: 'model-1' },
 },
 });
 expect(result.success).toBe(false);
 });

 it('rejects SEMANTIC strategy with empty semanticOverride', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'SEMANTIC',
 semanticOverride: {},
 });
 expect(result.success).toBe(false);
 });
});

11 changes: 10 additions & 1 deletion
src/schema/schemas/primitives/index.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,10 +1,19 @@
export type { MemoryStrategy, MemoryStrategyType } from './memory';
export type {
 MemoryStrategy,
 MemoryStrategyType,
 SemanticOverride,
 SemanticExtractionOverride,
 SemanticConsolidationOverride,
} from './memory';
export {
 DEFAULT_EPISODIC_REFLECTION_NAMESPACES,
 DEFAULT_STRATEGY_NAMESPACES,
 MemoryStrategyNameSchema,
 MemoryStrategySchema,
 MemoryStrategyTypeSchema,
 SemanticOverrideSchema,
 SemanticExtractionOverrideSchema,
 SemanticConsolidationOverrideSchema,
} from './memory';

export type {
Expand Down

56 changes: 55 additions & 1 deletion
src/schema/schemas/primitives/memory.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -47,6 +47,54 @@ export const MemoryStrategyNameSchema = z
 'Must begin with a letter and contain only alphanumeric characters and underscores (max 48 chars)'
 );

// ============================================================================
// Semantic Override Types (CloudFormation SemanticOverride)
// ============================================================================

/**
 * Configuration for overriding semantic memory extraction behavior.
 * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-properties-bedrockagentcore-memory-semanticoverrideextractionconfigurationinput.html
 */
export const SemanticExtractionOverrideSchema = z.object({
 /** Custom prompt to append for memory extraction */
 appendToPrompt: z.string().min(1).max(30000),
 /** Bedrock model ID to use for extraction */
 modelId: z.string().min(1),
});

export type SemanticExtractionOverride = z.infer<typeof SemanticExtractionOverrideSchema>;

/**
 * Configuration for overriding semantic memory consolidation behavior.
 * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-properties-bedrockagentcore-memory-semanticoverrideconsolidationconfigurationinput.html
 */
export const SemanticConsolidationOverrideSchema = z.object({
 /** Custom prompt to append for memory consolidation */
 appendToPrompt: z.string().min(1).max(30000),
 /** Bedrock model ID to use for consolidation */
 modelId: z.string().min(1),
});

export type SemanticConsolidationOverride = z.infer<typeof SemanticConsolidationOverrideSchema>;

/**
 * Override configuration for semantic memory strategy.
 * At least one of extraction or consolidation must be provided.
 * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-properties-bedrockagentcore-memory-semanticoverride.html
 */
export const SemanticOverrideSchema = z
 .object({
 /** Override extraction behavior (custom prompt + model) */
 extraction: SemanticExtractionOverrideSchema.optional(),
 /** Override consolidation behavior (custom prompt + model) */
 consolidation: SemanticConsolidationOverrideSchema.optional(),
 })
 .refine(data => data.extraction !== undefined || data.consolidation !== undefined, {
 message: 'At least one of extraction or consolidation must be provided',
 });

export type SemanticOverride = z.infer<typeof SemanticOverrideSchema>;

/**
 * Memory strategy configuration.
 * Each memory can have multiple strategies with optional namespace scoping.
Expand All@@ -63,6 +111,8 @@ export const MemoryStrategySchema = z
 namespaces: z.array(z.string()).optional(),
 /** Reflection namespaces for EPISODIC strategy. Required by the service for episodic strategies. */
 reflectionNamespaces: z.array(z.string()).optional(),
 /** Only valid when type is 'SEMANTIC'. Override extraction and/or consolidation behavior. */
 semanticOverride: SemanticOverrideSchema.optional(),
 })
 .refine(
 strategy =>
Expand All@@ -82,6 +132,10 @@ export const MemoryStrategySchema = z
 message: 'Each reflectionNamespace must be a prefix of at least one namespace',
 path: ['reflectionNamespaces'],
 }
 );
 )
 .refine(strategy => strategy.semanticOverride === undefined || strategy.type === 'SEMANTIC', {
 message: 'semanticOverride is only valid for SEMANTIC strategy type',
 path: ['semanticOverride'],
 });

export type MemoryStrategy = z.infer<typeof MemoryStrategySchema>;
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
feat: add semanticOverride support for SEMANTIC memory strategies#696

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Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

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Already on GitHub?
Sign in
to your account

 Merged

aidandaly24
merged 1 commit into

from

Mar 27, 2026
 Merged


feat: add semanticOverride support for SEMANTIC memory strategies
#696
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5 changes: 5 additions & 0 deletions
src/schema/llm-compacted/agentcore.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -82,6 +82,11 @@ interface MemoryStrategy {
 description?: string;
 namespaces?: string[];
 reflectionNamespaces?: string[]; // EPISODIC only: namespaces for cross-episode reflections
 semanticOverride?: {
 // Only valid when type is 'SEMANTIC'
 extraction?: { appendToPrompt: string; modelId: string }; // @min 1 for both, @max 30000 for appendToPrompt
 consolidation?: { appendToPrompt: string; modelId: string }; // At least one of extraction/consolidation required
 };
}

// ─────────────────────────────────────────────────────────────────────────────
Expand Down

52 changes: 52 additions & 0 deletions
src/schema/schemas/__tests__/agentcore-project.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -452,4 +452,56 @@ describe('AgentCoreProjectSpecSchema', () => {
 });
 expect(result.success).toBe(false);
 });

 it('accepts memory with semanticOverride on SEMANTIC strategy', () => {
 const result = AgentCoreProjectSpecSchema.safeParse({
 ...minimalProject,
 memories: [
 {
 type: 'AgentCoreMemory',
 name: 'TestMemory',
 eventExpiryDuration: 30,
 strategies: [
 {
 type: 'SEMANTIC',
 namespaces: ['/users/{actorId}/facts'],
 semanticOverride: {
 extraction: {
 appendToPrompt: 'Extract key facts',
 modelId: 'anthropic.claude-3-sonnet-20240229-v1:0',
 },
 },
 },
 ],
 },
 ],
 });
 expect(result.success).toBe(true);
 });

 it('rejects memory with semanticOverride on SUMMARIZATION strategy', () => {
 const result = AgentCoreProjectSpecSchema.safeParse({
 ...minimalProject,
 memories: [
 {
 type: 'AgentCoreMemory',
 name: 'TestMemory',
 eventExpiryDuration: 30,
 strategies: [
 {
 type: 'SUMMARIZATION',
 namespaces: ['/summaries/{actorId}/{sessionId}'],
 semanticOverride: {
 extraction: {
 appendToPrompt: 'test',
 modelId: 'model-1',
 },
 },
 },
 ],
 },
 ],
 });
 expect(result.success).toBe(false);
 });
});

8 changes: 7 additions & 1 deletion
src/schema/schemas/agentcore-project.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -30,7 +30,13 @@ export {
 MemoryStrategyTypeSchema,
};
export { EvaluationLevelSchema };
export type { MemoryStrategy, MemoryStrategyType } from './primitives/memory';
export type {
 MemoryStrategy,
 MemoryStrategyType,
 SemanticOverride,
 SemanticExtractionOverride,
 SemanticConsolidationOverride,
} from './primitives/memory';
export type { OnlineEvalConfig } from './primitives/online-eval-config';
export { OnlineEvalConfigSchema, OnlineEvalConfigNameSchema } from './primitives/online-eval-config';
export type { EvaluationLevel, EvaluatorConfig, LlmAsAJudgeConfig, RatingScale } from './primitives/evaluator';
Expand Down

119 changes: 118 additions & 1 deletion
src/schema/schemas/primitives/__tests__/memory.test.ts

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Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,4 +1,9 @@
import { DEFAULT_STRATEGY_NAMESPACES, MemoryStrategySchema, MemoryStrategyTypeSchema } from '../memory';
import {
 DEFAULT_STRATEGY_NAMESPACES,
 MemoryStrategySchema,
 MemoryStrategyTypeSchema,
 SemanticOverrideSchema,
} from '../memory';
import { describe, expect, it } from 'vitest';

describe('MemoryStrategyTypeSchema', () => {
Expand DownExpand Up@@ -153,3 +158,115 @@ describe('DEFAULT_STRATEGY_NAMESPACES', () => {
 expect(DEFAULT_STRATEGY_NAMESPACES).not.toHaveProperty('CUSTOM');
 });
});

describe('SemanticOverrideSchema', () => {
 it('accepts extraction-only override', () => {
 const result = SemanticOverrideSchema.safeParse({
 extraction: { appendToPrompt: 'Extract key facts', modelId: 'anthropic.claude-3-sonnet-20240229-v1:0' },
 });
 expect(result.success).toBe(true);
 });

 it('accepts consolidation-only override', () => {
 const result = SemanticOverrideSchema.safeParse({
 consolidation: { appendToPrompt: 'Consolidate memories', modelId: 'anthropic.claude-3-sonnet-20240229-v1:0' },
 });
 expect(result.success).toBe(true);
 });

 it('accepts both extraction and consolidation', () => {
 const result = SemanticOverrideSchema.safeParse({
 extraction: { appendToPrompt: 'Extract', modelId: 'model-1' },
 consolidation: { appendToPrompt: 'Consolidate', modelId: 'model-2' },
 });
 expect(result.success).toBe(true);
 });

 it('rejects empty override (at least one required)', () => {
 const result = SemanticOverrideSchema.safeParse({});
 expect(result.success).toBe(false);
 });

 it('rejects extraction with empty appendToPrompt', () => {
 const result = SemanticOverrideSchema.safeParse({
 extraction: { appendToPrompt: '', modelId: 'model-1' },
 });
 expect(result.success).toBe(false);
 });

 it('rejects extraction with missing modelId', () => {
 const result = SemanticOverrideSchema.safeParse({
 extraction: { appendToPrompt: 'test' },
 });
 expect(result.success).toBe(false);
 });
});

describe('MemoryStrategySchema with semanticOverride', () => {
 it('accepts SEMANTIC strategy with extraction override', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'SEMANTIC',
 semanticOverride: {
 extraction: { appendToPrompt: 'Extract key facts', modelId: 'anthropic.claude-3-sonnet-20240229-v1:0' },
 },
 });
 expect(result.success).toBe(true);
 });

 it('accepts SEMANTIC strategy with both overrides', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'SEMANTIC',
 semanticOverride: {
 extraction: { appendToPrompt: 'Extract', modelId: 'model-1' },
 consolidation: { appendToPrompt: 'Consolidate', modelId: 'model-2' },
 },
 });
 expect(result.success).toBe(true);
 });

 it('accepts SEMANTIC strategy without override (backward compat)', () => {
 const result = MemoryStrategySchema.safeParse({ type: 'SEMANTIC' });
 expect(result.success).toBe(true);
 });

 it('rejects semanticOverride on SUMMARIZATION strategy', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'SUMMARIZATION',
 semanticOverride: {
 extraction: { appendToPrompt: 'test', modelId: 'model-1' },
 },
 });
 expect(result.success).toBe(false);
 if (!result.success) {
 expect(result.error.issues.some(i => i.message.includes('SEMANTIC'))).toBe(true);
 }
 });

 it('rejects semanticOverride on USER_PREFERENCE strategy', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'USER_PREFERENCE',
 semanticOverride: {
 extraction: { appendToPrompt: 'test', modelId: 'model-1' },
 },
 });
 expect(result.success).toBe(false);
 });

 it('rejects consolidation-only semanticOverride on USER_PREFERENCE strategy', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'USER_PREFERENCE',
 semanticOverride: {
 consolidation: { appendToPrompt: 'test', modelId: 'model-1' },
 },
 });
 expect(result.success).toBe(false);
 });

 it('rejects SEMANTIC strategy with empty semanticOverride', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'SEMANTIC',
 semanticOverride: {},
 });
 expect(result.success).toBe(false);
 });
});

11 changes: 10 additions & 1 deletion
src/schema/schemas/primitives/index.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,10 +1,19 @@
export type { MemoryStrategy, MemoryStrategyType } from './memory';
export type {
 MemoryStrategy,
 MemoryStrategyType,
 SemanticOverride,
 SemanticExtractionOverride,
 SemanticConsolidationOverride,
} from './memory';
export {
 DEFAULT_EPISODIC_REFLECTION_NAMESPACES,
 DEFAULT_STRATEGY_NAMESPACES,
 MemoryStrategyNameSchema,
 MemoryStrategySchema,
 MemoryStrategyTypeSchema,
 SemanticOverrideSchema,
 SemanticExtractionOverrideSchema,
 SemanticConsolidationOverrideSchema,
} from './memory';

export type {
Expand Down

56 changes: 55 additions & 1 deletion
src/schema/schemas/primitives/memory.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -47,6 +47,54 @@ export const MemoryStrategyNameSchema = z
 'Must begin with a letter and contain only alphanumeric characters and underscores (max 48 chars)'
 );

// ============================================================================
// Semantic Override Types (CloudFormation SemanticOverride)
// ============================================================================

/**
 * Configuration for overriding semantic memory extraction behavior.
 * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-properties-bedrockagentcore-memory-semanticoverrideextractionconfigurationinput.html
 */
export const SemanticExtractionOverrideSchema = z.object({
 /** Custom prompt to append for memory extraction */
 appendToPrompt: z.string().min(1).max(30000),
 /** Bedrock model ID to use for extraction */
 modelId: z.string().min(1),
});

export type SemanticExtractionOverride = z.infer<typeof SemanticExtractionOverrideSchema>;

/**
 * Configuration for overriding semantic memory consolidation behavior.
 * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-properties-bedrockagentcore-memory-semanticoverrideconsolidationconfigurationinput.html
 */
export const SemanticConsolidationOverrideSchema = z.object({
 /** Custom prompt to append for memory consolidation */
 appendToPrompt: z.string().min(1).max(30000),
 /** Bedrock model ID to use for consolidation */
 modelId: z.string().min(1),
});

export type SemanticConsolidationOverride = z.infer<typeof SemanticConsolidationOverrideSchema>;

/**
 * Override configuration for semantic memory strategy.
 * At least one of extraction or consolidation must be provided.
 * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-properties-bedrockagentcore-memory-semanticoverride.html
 */
export const SemanticOverrideSchema = z
 .object({
 /** Override extraction behavior (custom prompt + model) */
 extraction: SemanticExtractionOverrideSchema.optional(),
 /** Override consolidation behavior (custom prompt + model) */
 consolidation: SemanticConsolidationOverrideSchema.optional(),
 })
 .refine(data => data.extraction !== undefined || data.consolidation !== undefined, {
 message: 'At least one of extraction or consolidation must be provided',
 });

export type SemanticOverride = z.infer<typeof SemanticOverrideSchema>;

/**
 * Memory strategy configuration.
 * Each memory can have multiple strategies with optional namespace scoping.
Expand All@@ -63,6 +111,8 @@ export const MemoryStrategySchema = z
 namespaces: z.array(z.string()).optional(),
 /** Reflection namespaces for EPISODIC strategy. Required by the service for episodic strategies. */
 reflectionNamespaces: z.array(z.string()).optional(),
 /** Only valid when type is 'SEMANTIC'. Override extraction and/or consolidation behavior. */
 semanticOverride: SemanticOverrideSchema.optional(),
 })
 .refine(
 strategy =>
Expand All@@ -82,6 +132,10 @@ export const MemoryStrategySchema = z
 message: 'Each reflectionNamespace must be a prefix of at least one namespace',
 path: ['reflectionNamespaces'],
 }
 );
 )
 .refine(strategy => strategy.semanticOverride === undefined || strategy.type === 'SEMANTIC', {
 message: 'semanticOverride is only valid for SEMANTIC strategy type',
 path: ['semanticOverride'],
 });

export type MemoryStrategy = z.infer<typeof MemoryStrategySchema>;
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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feat: add semanticOverride support for SEMANTIC memory strategies#696

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aidandaly24
merged 1 commit into

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Mar 27, 2026
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feat: add semanticOverride support for SEMANTIC memory strategies
#696
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5 changes: 5 additions & 0 deletions
src/schema/llm-compacted/agentcore.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -82,6 +82,11 @@ interface MemoryStrategy {
 description?: string;
 namespaces?: string[];
 reflectionNamespaces?: string[]; // EPISODIC only: namespaces for cross-episode reflections
 semanticOverride?: {
 // Only valid when type is 'SEMANTIC'
 extraction?: { appendToPrompt: string; modelId: string }; // @min 1 for both, @max 30000 for appendToPrompt
 consolidation?: { appendToPrompt: string; modelId: string }; // At least one of extraction/consolidation required
 };
}

// ─────────────────────────────────────────────────────────────────────────────
Expand Down

52 changes: 52 additions & 0 deletions
src/schema/schemas/__tests__/agentcore-project.test.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -452,4 +452,56 @@ describe('AgentCoreProjectSpecSchema', () => {
 });
 expect(result.success).toBe(false);
 });

 it('accepts memory with semanticOverride on SEMANTIC strategy', () => {
 const result = AgentCoreProjectSpecSchema.safeParse({
 ...minimalProject,
 memories: [
 {
 type: 'AgentCoreMemory',
 name: 'TestMemory',
 eventExpiryDuration: 30,
 strategies: [
 {
 type: 'SEMANTIC',
 namespaces: ['/users/{actorId}/facts'],
 semanticOverride: {
 extraction: {
 appendToPrompt: 'Extract key facts',
 modelId: 'anthropic.claude-3-sonnet-20240229-v1:0',
 },
 },
 },
 ],
 },
 ],
 });
 expect(result.success).toBe(true);
 });

 it('rejects memory with semanticOverride on SUMMARIZATION strategy', () => {
 const result = AgentCoreProjectSpecSchema.safeParse({
 ...minimalProject,
 memories: [
 {
 type: 'AgentCoreMemory',
 name: 'TestMemory',
 eventExpiryDuration: 30,
 strategies: [
 {
 type: 'SUMMARIZATION',
 namespaces: ['/summaries/{actorId}/{sessionId}'],
 semanticOverride: {
 extraction: {
 appendToPrompt: 'test',
 modelId: 'model-1',
 },
 },
 },
 ],
 },
 ],
 });
 expect(result.success).toBe(false);
 });
});

8 changes: 7 additions & 1 deletion
src/schema/schemas/agentcore-project.ts

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -30,7 +30,13 @@ export {
 MemoryStrategyTypeSchema,
};
export { EvaluationLevelSchema };
export type { MemoryStrategy, MemoryStrategyType } from './primitives/memory';
export type {
 MemoryStrategy,
 MemoryStrategyType,
 SemanticOverride,
 SemanticExtractionOverride,
 SemanticConsolidationOverride,
} from './primitives/memory';
export type { OnlineEvalConfig } from './primitives/online-eval-config';
export { OnlineEvalConfigSchema, OnlineEvalConfigNameSchema } from './primitives/online-eval-config';
export type { EvaluationLevel, EvaluatorConfig, LlmAsAJudgeConfig, RatingScale } from './primitives/evaluator';
Expand Down

119 changes: 118 additions & 1 deletion
src/schema/schemas/primitives/__tests__/memory.test.ts

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Original file line numberDiff line numberDiff line change
@@ -1,4 +1,9 @@
import { DEFAULT_STRATEGY_NAMESPACES, MemoryStrategySchema, MemoryStrategyTypeSchema } from '../memory';
import {
 DEFAULT_STRATEGY_NAMESPACES,
 MemoryStrategySchema,
 MemoryStrategyTypeSchema,
 SemanticOverrideSchema,
} from '../memory';
import { describe, expect, it } from 'vitest';

describe('MemoryStrategyTypeSchema', () => {
Expand DownExpand Up@@ -153,3 +158,115 @@ describe('DEFAULT_STRATEGY_NAMESPACES', () => {
 expect(DEFAULT_STRATEGY_NAMESPACES).not.toHaveProperty('CUSTOM');
 });
});

describe('SemanticOverrideSchema', () => {
 it('accepts extraction-only override', () => {
 const result = SemanticOverrideSchema.safeParse({
 extraction: { appendToPrompt: 'Extract key facts', modelId: 'anthropic.claude-3-sonnet-20240229-v1:0' },
 });
 expect(result.success).toBe(true);
 });

 it('accepts consolidation-only override', () => {
 const result = SemanticOverrideSchema.safeParse({
 consolidation: { appendToPrompt: 'Consolidate memories', modelId: 'anthropic.claude-3-sonnet-20240229-v1:0' },
 });
 expect(result.success).toBe(true);
 });

 it('accepts both extraction and consolidation', () => {
 const result = SemanticOverrideSchema.safeParse({
 extraction: { appendToPrompt: 'Extract', modelId: 'model-1' },
 consolidation: { appendToPrompt: 'Consolidate', modelId: 'model-2' },
 });
 expect(result.success).toBe(true);
 });

 it('rejects empty override (at least one required)', () => {
 const result = SemanticOverrideSchema.safeParse({});
 expect(result.success).toBe(false);
 });

 it('rejects extraction with empty appendToPrompt', () => {
 const result = SemanticOverrideSchema.safeParse({
 extraction: { appendToPrompt: '', modelId: 'model-1' },
 });
 expect(result.success).toBe(false);
 });

 it('rejects extraction with missing modelId', () => {
 const result = SemanticOverrideSchema.safeParse({
 extraction: { appendToPrompt: 'test' },
 });
 expect(result.success).toBe(false);
 });
});

describe('MemoryStrategySchema with semanticOverride', () => {
 it('accepts SEMANTIC strategy with extraction override', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'SEMANTIC',
 semanticOverride: {
 extraction: { appendToPrompt: 'Extract key facts', modelId: 'anthropic.claude-3-sonnet-20240229-v1:0' },
 },
 });
 expect(result.success).toBe(true);
 });

 it('accepts SEMANTIC strategy with both overrides', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'SEMANTIC',
 semanticOverride: {
 extraction: { appendToPrompt: 'Extract', modelId: 'model-1' },
 consolidation: { appendToPrompt: 'Consolidate', modelId: 'model-2' },
 },
 });
 expect(result.success).toBe(true);
 });

 it('accepts SEMANTIC strategy without override (backward compat)', () => {
 const result = MemoryStrategySchema.safeParse({ type: 'SEMANTIC' });
 expect(result.success).toBe(true);
 });

 it('rejects semanticOverride on SUMMARIZATION strategy', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'SUMMARIZATION',
 semanticOverride: {
 extraction: { appendToPrompt: 'test', modelId: 'model-1' },
 },
 });
 expect(result.success).toBe(false);
 if (!result.success) {
 expect(result.error.issues.some(i => i.message.includes('SEMANTIC'))).toBe(true);
 }
 });

 it('rejects semanticOverride on USER_PREFERENCE strategy', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'USER_PREFERENCE',
 semanticOverride: {
 extraction: { appendToPrompt: 'test', modelId: 'model-1' },
 },
 });
 expect(result.success).toBe(false);
 });

 it('rejects consolidation-only semanticOverride on USER_PREFERENCE strategy', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'USER_PREFERENCE',
 semanticOverride: {
 consolidation: { appendToPrompt: 'test', modelId: 'model-1' },
 },
 });
 expect(result.success).toBe(false);
 });

 it('rejects SEMANTIC strategy with empty semanticOverride', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'SEMANTIC',
 semanticOverride: {},
 });
 expect(result.success).toBe(false);
 });
});

11 changes: 10 additions & 1 deletion
src/schema/schemas/primitives/index.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,10 +1,19 @@
export type { MemoryStrategy, MemoryStrategyType } from './memory';
export type {
 MemoryStrategy,
 MemoryStrategyType,
 SemanticOverride,
 SemanticExtractionOverride,
 SemanticConsolidationOverride,
} from './memory';
export {
 DEFAULT_EPISODIC_REFLECTION_NAMESPACES,
 DEFAULT_STRATEGY_NAMESPACES,
 MemoryStrategyNameSchema,
 MemoryStrategySchema,
 MemoryStrategyTypeSchema,
 SemanticOverrideSchema,
 SemanticExtractionOverrideSchema,
 SemanticConsolidationOverrideSchema,
} from './memory';

export type {
Expand Down

56 changes: 55 additions & 1 deletion
src/schema/schemas/primitives/memory.ts

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -47,6 +47,54 @@ export const MemoryStrategyNameSchema = z
 'Must begin with a letter and contain only alphanumeric characters and underscores (max 48 chars)'
 );

// ============================================================================
// Semantic Override Types (CloudFormation SemanticOverride)
// ============================================================================

/**
 * Configuration for overriding semantic memory extraction behavior.
 * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-properties-bedrockagentcore-memory-semanticoverrideextractionconfigurationinput.html
 */
export const SemanticExtractionOverrideSchema = z.object({
 /** Custom prompt to append for memory extraction */
 appendToPrompt: z.string().min(1).max(30000),
 /** Bedrock model ID to use for extraction */
 modelId: z.string().min(1),
});

export type SemanticExtractionOverride = z.infer<typeof SemanticExtractionOverrideSchema>;

/**
 * Configuration for overriding semantic memory consolidation behavior.
 * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-properties-bedrockagentcore-memory-semanticoverrideconsolidationconfigurationinput.html
 */
export const SemanticConsolidationOverrideSchema = z.object({
 /** Custom prompt to append for memory consolidation */
 appendToPrompt: z.string().min(1).max(30000),
 /** Bedrock model ID to use for consolidation */
 modelId: z.string().min(1),
});

export type SemanticConsolidationOverride = z.infer<typeof SemanticConsolidationOverrideSchema>;

/**
 * Override configuration for semantic memory strategy.
 * At least one of extraction or consolidation must be provided.
 * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-properties-bedrockagentcore-memory-semanticoverride.html
 */
export const SemanticOverrideSchema = z
 .object({
 /** Override extraction behavior (custom prompt + model) */
 extraction: SemanticExtractionOverrideSchema.optional(),
 /** Override consolidation behavior (custom prompt + model) */
 consolidation: SemanticConsolidationOverrideSchema.optional(),
 })
 .refine(data => data.extraction !== undefined || data.consolidation !== undefined, {
 message: 'At least one of extraction or consolidation must be provided',
 });

export type SemanticOverride = z.infer<typeof SemanticOverrideSchema>;

/**
 * Memory strategy configuration.
 * Each memory can have multiple strategies with optional namespace scoping.
Expand All@@ -63,6 +111,8 @@ export const MemoryStrategySchema = z
 namespaces: z.array(z.string()).optional(),
 /** Reflection namespaces for EPISODIC strategy. Required by the service for episodic strategies. */
 reflectionNamespaces: z.array(z.string()).optional(),
 /** Only valid when type is 'SEMANTIC'. Override extraction and/or consolidation behavior. */
 semanticOverride: SemanticOverrideSchema.optional(),
 })
 .refine(
 strategy =>
Expand All@@ -82,6 +132,10 @@ export const MemoryStrategySchema = z
 message: 'Each reflectionNamespace must be a prefix of at least one namespace',
 path: ['reflectionNamespaces'],
 }
 );
 )
 .refine(strategy => strategy.semanticOverride === undefined || strategy.type === 'SEMANTIC', {
 message: 'semanticOverride is only valid for SEMANTIC strategy type',
 path: ['semanticOverride'],
 });

export type MemoryStrategy = z.infer<typeof MemoryStrategySchema>;
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

Skip to content
feat: add semanticOverride support for SEMANTIC memory strategies#696

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 Merged

aidandaly24
merged 1 commit into

from

Mar 27, 2026
 Merged


feat: add semanticOverride support for SEMANTIC memory strategies
#696
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5 changes: 5 additions & 0 deletions
src/schema/llm-compacted/agentcore.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -82,6 +82,11 @@ interface MemoryStrategy {
 description?: string;
 namespaces?: string[];
 reflectionNamespaces?: string[]; // EPISODIC only: namespaces for cross-episode reflections
 semanticOverride?: {
 // Only valid when type is 'SEMANTIC'
 extraction?: { appendToPrompt: string; modelId: string }; // @min 1 for both, @max 30000 for appendToPrompt
 consolidation?: { appendToPrompt: string; modelId: string }; // At least one of extraction/consolidation required
 };
}

// ─────────────────────────────────────────────────────────────────────────────
Expand Down

52 changes: 52 additions & 0 deletions
src/schema/schemas/__tests__/agentcore-project.test.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -452,4 +452,56 @@ describe('AgentCoreProjectSpecSchema', () => {
 });
 expect(result.success).toBe(false);
 });

 it('accepts memory with semanticOverride on SEMANTIC strategy', () => {
 const result = AgentCoreProjectSpecSchema.safeParse({
 ...minimalProject,
 memories: [
 {
 type: 'AgentCoreMemory',
 name: 'TestMemory',
 eventExpiryDuration: 30,
 strategies: [
 {
 type: 'SEMANTIC',
 namespaces: ['/users/{actorId}/facts'],
 semanticOverride: {
 extraction: {
 appendToPrompt: 'Extract key facts',
 modelId: 'anthropic.claude-3-sonnet-20240229-v1:0',
 },
 },
 },
 ],
 },
 ],
 });
 expect(result.success).toBe(true);
 });

 it('rejects memory with semanticOverride on SUMMARIZATION strategy', () => {
 const result = AgentCoreProjectSpecSchema.safeParse({
 ...minimalProject,
 memories: [
 {
 type: 'AgentCoreMemory',
 name: 'TestMemory',
 eventExpiryDuration: 30,
 strategies: [
 {
 type: 'SUMMARIZATION',
 namespaces: ['/summaries/{actorId}/{sessionId}'],
 semanticOverride: {
 extraction: {
 appendToPrompt: 'test',
 modelId: 'model-1',
 },
 },
 },
 ],
 },
 ],
 });
 expect(result.success).toBe(false);
 });
});

8 changes: 7 additions & 1 deletion
src/schema/schemas/agentcore-project.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -30,7 +30,13 @@ export {
 MemoryStrategyTypeSchema,
};
export { EvaluationLevelSchema };
export type { MemoryStrategy, MemoryStrategyType } from './primitives/memory';
export type {
 MemoryStrategy,
 MemoryStrategyType,
 SemanticOverride,
 SemanticExtractionOverride,
 SemanticConsolidationOverride,
} from './primitives/memory';
export type { OnlineEvalConfig } from './primitives/online-eval-config';
export { OnlineEvalConfigSchema, OnlineEvalConfigNameSchema } from './primitives/online-eval-config';
export type { EvaluationLevel, EvaluatorConfig, LlmAsAJudgeConfig, RatingScale } from './primitives/evaluator';
Expand Down

119 changes: 118 additions & 1 deletion
src/schema/schemas/primitives/__tests__/memory.test.ts

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Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,4 +1,9 @@
import { DEFAULT_STRATEGY_NAMESPACES, MemoryStrategySchema, MemoryStrategyTypeSchema } from '../memory';
import {
 DEFAULT_STRATEGY_NAMESPACES,
 MemoryStrategySchema,
 MemoryStrategyTypeSchema,
 SemanticOverrideSchema,
} from '../memory';
import { describe, expect, it } from 'vitest';

describe('MemoryStrategyTypeSchema', () => {
Expand DownExpand Up@@ -153,3 +158,115 @@ describe('DEFAULT_STRATEGY_NAMESPACES', () => {
 expect(DEFAULT_STRATEGY_NAMESPACES).not.toHaveProperty('CUSTOM');
 });
});

describe('SemanticOverrideSchema', () => {
 it('accepts extraction-only override', () => {
 const result = SemanticOverrideSchema.safeParse({
 extraction: { appendToPrompt: 'Extract key facts', modelId: 'anthropic.claude-3-sonnet-20240229-v1:0' },
 });
 expect(result.success).toBe(true);
 });

 it('accepts consolidation-only override', () => {
 const result = SemanticOverrideSchema.safeParse({
 consolidation: { appendToPrompt: 'Consolidate memories', modelId: 'anthropic.claude-3-sonnet-20240229-v1:0' },
 });
 expect(result.success).toBe(true);
 });

 it('accepts both extraction and consolidation', () => {
 const result = SemanticOverrideSchema.safeParse({
 extraction: { appendToPrompt: 'Extract', modelId: 'model-1' },
 consolidation: { appendToPrompt: 'Consolidate', modelId: 'model-2' },
 });
 expect(result.success).toBe(true);
 });

 it('rejects empty override (at least one required)', () => {
 const result = SemanticOverrideSchema.safeParse({});
 expect(result.success).toBe(false);
 });

 it('rejects extraction with empty appendToPrompt', () => {
 const result = SemanticOverrideSchema.safeParse({
 extraction: { appendToPrompt: '', modelId: 'model-1' },
 });
 expect(result.success).toBe(false);
 });

 it('rejects extraction with missing modelId', () => {
 const result = SemanticOverrideSchema.safeParse({
 extraction: { appendToPrompt: 'test' },
 });
 expect(result.success).toBe(false);
 });
});

describe('MemoryStrategySchema with semanticOverride', () => {
 it('accepts SEMANTIC strategy with extraction override', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'SEMANTIC',
 semanticOverride: {
 extraction: { appendToPrompt: 'Extract key facts', modelId: 'anthropic.claude-3-sonnet-20240229-v1:0' },
 },
 });
 expect(result.success).toBe(true);
 });

 it('accepts SEMANTIC strategy with both overrides', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'SEMANTIC',
 semanticOverride: {
 extraction: { appendToPrompt: 'Extract', modelId: 'model-1' },
 consolidation: { appendToPrompt: 'Consolidate', modelId: 'model-2' },
 },
 });
 expect(result.success).toBe(true);
 });

 it('accepts SEMANTIC strategy without override (backward compat)', () => {
 const result = MemoryStrategySchema.safeParse({ type: 'SEMANTIC' });
 expect(result.success).toBe(true);
 });

 it('rejects semanticOverride on SUMMARIZATION strategy', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'SUMMARIZATION',
 semanticOverride: {
 extraction: { appendToPrompt: 'test', modelId: 'model-1' },
 },
 });
 expect(result.success).toBe(false);
 if (!result.success) {
 expect(result.error.issues.some(i => i.message.includes('SEMANTIC'))).toBe(true);
 }
 });

 it('rejects semanticOverride on USER_PREFERENCE strategy', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'USER_PREFERENCE',
 semanticOverride: {
 extraction: { appendToPrompt: 'test', modelId: 'model-1' },
 },
 });
 expect(result.success).toBe(false);
 });

 it('rejects consolidation-only semanticOverride on USER_PREFERENCE strategy', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'USER_PREFERENCE',
 semanticOverride: {
 consolidation: { appendToPrompt: 'test', modelId: 'model-1' },
 },
 });
 expect(result.success).toBe(false);
 });

 it('rejects SEMANTIC strategy with empty semanticOverride', () => {
 const result = MemoryStrategySchema.safeParse({
 type: 'SEMANTIC',
 semanticOverride: {},
 });
 expect(result.success).toBe(false);
 });
});

11 changes: 10 additions & 1 deletion
src/schema/schemas/primitives/index.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,10 +1,19 @@
export type { MemoryStrategy, MemoryStrategyType } from './memory';
export type {
 MemoryStrategy,
 MemoryStrategyType,
 SemanticOverride,
 SemanticExtractionOverride,
 SemanticConsolidationOverride,
} from './memory';
export {
 DEFAULT_EPISODIC_REFLECTION_NAMESPACES,
 DEFAULT_STRATEGY_NAMESPACES,
 MemoryStrategyNameSchema,
 MemoryStrategySchema,
 MemoryStrategyTypeSchema,
 SemanticOverrideSchema,
 SemanticExtractionOverrideSchema,
 SemanticConsolidationOverrideSchema,
} from './memory';

export type {
Expand Down

56 changes: 55 additions & 1 deletion
src/schema/schemas/primitives/memory.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -47,6 +47,54 @@ export const MemoryStrategyNameSchema = z
 'Must begin with a letter and contain only alphanumeric characters and underscores (max 48 chars)'
 );

// ============================================================================
// Semantic Override Types (CloudFormation SemanticOverride)
// ============================================================================

/**
 * Configuration for overriding semantic memory extraction behavior.
 * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-properties-bedrockagentcore-memory-semanticoverrideextractionconfigurationinput.html
 */
export const SemanticExtractionOverrideSchema = z.object({
 /** Custom prompt to append for memory extraction */
 appendToPrompt: z.string().min(1).max(30000),
 /** Bedrock model ID to use for extraction */
 modelId: z.string().min(1),
});

export type SemanticExtractionOverride = z.infer<typeof SemanticExtractionOverrideSchema>;

/**
 * Configuration for overriding semantic memory consolidation behavior.
 * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-properties-bedrockagentcore-memory-semanticoverrideconsolidationconfigurationinput.html
 */
export const SemanticConsolidationOverrideSchema = z.object({
 /** Custom prompt to append for memory consolidation */
 appendToPrompt: z.string().min(1).max(30000),
 /** Bedrock model ID to use for consolidation */
 modelId: z.string().min(1),
});

export type SemanticConsolidationOverride = z.infer<typeof SemanticConsolidationOverrideSchema>;

/**
 * Override configuration for semantic memory strategy.
 * At least one of extraction or consolidation must be provided.
 * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-properties-bedrockagentcore-memory-semanticoverride.html
 */
export const SemanticOverrideSchema = z
 .object({
 /** Override extraction behavior (custom prompt + model) */
 extraction: SemanticExtractionOverrideSchema.optional(),
 /** Override consolidation behavior (custom prompt + model) */
 consolidation: SemanticConsolidationOverrideSchema.optional(),
 })
 .refine(data => data.extraction !== undefined || data.consolidation !== undefined, {
 message: 'At least one of extraction or consolidation must be provided',
 });

export type SemanticOverride = z.infer<typeof SemanticOverrideSchema>;

/**
 * Memory strategy configuration.
 * Each memory can have multiple strategies with optional namespace scoping.
Expand All@@ -63,6 +111,8 @@ export const MemoryStrategySchema = z
 namespaces: z.array(z.string()).optional(),
 /** Reflection namespaces for EPISODIC strategy. Required by the service for episodic strategies. */
 reflectionNamespaces: z.array(z.string()).optional(),
 /** Only valid when type is 'SEMANTIC'. Override extraction and/or consolidation behavior. */
 semanticOverride: SemanticOverrideSchema.optional(),
 })
 .refine(
 strategy =>
Expand All@@ -82,6 +132,10 @@ export const MemoryStrategySchema = z
 message: 'Each reflectionNamespace must be a prefix of at least one namespace',
 path: ['reflectionNamespaces'],
 }
 );
 )
 .refine(strategy => strategy.semanticOverride === undefined || strategy.type === 'SEMANTIC', {
 message: 'semanticOverride is only valid for SEMANTIC strategy type',
 path: ['semanticOverride'],
 });

export type MemoryStrategy = z.infer<typeof MemoryStrategySchema>;
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