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feat(cu): make provider function loops AX-first #925

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712c140
feat(runtime): add OpenAI computer use loop core
hqhq1025 Jul 13, 2026
971e510
feat(runtime): add OpenAI Responses transport
hqhq1025 Jul 12, 2026
258dba8
feat(cu): fence native provider computer actions
hqhq1025 Jul 13, 2026
07ea4a7
feat(cu): validate provider function model loops
hqhq1025 Jul 13, 2026
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123 changes: 123 additions & 0 deletions docs/computer-use-model-loop-foundation.md
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# Computer Use Model-Loop Foundation

## Product Boundary

The primary model path is the provider-neutral `maka_computer` function tool
through `AiSdkBackend`. The model observes an Accessibility tree, then uses
`click_element`, `set_value`, or another semantic action with IDs from that
observation.

This matches the recovered Codex layering:

```text
model function/tool call
-> Computer Use facade
-> observed AX element identity
-> stale-element refetch and uniqueness checks
-> element executor
-> AXPick / AXPress / AXValue when supported
-> synthetic event fallback only inside the native executor
```

Codex does not currently expose a top-level native `computer` tool in the
captured production request. Its deferred Computer Use wrapper exposes the AX
facade. Accessibility-first dispatch happens inside element execution, not by
implicitly turning every model coordinate into an AX element.

## Current Safety Policy

Maka keeps the same separation:

- `maka_computer` is the primary model-facing path;
- semantic element actions and verified AX/CDP value updates are retained;
- coordinate click, scroll, drag, key input, and pixel fallback are described
as disabled and fail closed;
- the OpenAI native `computer_call` loop is an observation-only experimental
path by default;
- a whole native action batch is validated before any action executes.

No provider adapter may infer a missing observation ID or silently bind an
action to the current frame.

## Real Provider Results

The local Azure Responses bridge at `127.0.0.1:8538` and coproxy Anthropic
endpoint at `127.0.0.1:8537` were used without persisting credentials or raw
provider responses.

### OpenAI Responses

`gpt-5.6-sol` completed:

```text
list_apps -> observe -> set_value -> verified finish
```

The standalone provider loop completed in four to five turns. The full product
path also passed:

```text
getAIModel
-> OpenAI Responses model
-> AiSdkBackend / streamText
-> ToolRuntime
-> maka_computer
-> synthetic AX semantic backend
```

The product path persisted tool calls and results, emitted permission-safe
telemetry, and reached the verified final value.

The same deployment accepted the GA native `computer` tool. Under
observation-only instructions it returned only `screenshot`, and the bounded
transport/codec loop completed the screenshot continuation in two turns.

### Anthropic

`claude-sonnet-4-6` completed the same semantic task through coproxy.

One run omitted `observation_id` from `set_value`. The harness returned a
typed tool error requiring another observation; the model recovered instead
of the executor guessing a frame. This behavior is a required regression
scenario for future provider adapters.

### Kimi and MiniMax

No live Kimi or MiniMax credential is configured on this machine. Their
product paths are covered as hermetic protocol evidence, not real-provider
evidence.

Both `kimi-coding-plan` and `minimax-coding-plan` complete the same multi-step
semantic loop through their exact Anthropic-compatible URL/auth contracts:

```text
getAIModel -> streaming tool_use -> AiSdkBackend -> ToolRuntime
-> maka_computer -> list_apps -> observe -> set_value -> final response
```

## Provider Schema Findings

OpenAI strict function schemas require every property to be listed in
`required`. Optional fields must be represented as nullable. Because one
function schema serves several action variants, the model can populate known
fields that are irrelevant to the selected action.

The OpenAI adapter therefore:

1. emits all properties as required and nullable;
2. rejects unknown keys and accessor properties;
3. projects only the known keys allowed for the selected action;
4. records discarded non-null keys;
5. passes the projected value to the existing strict action parser.

The core `maka_computer` parser remains strict and provider neutral.

## Non-Claims

This foundation does not:

- enable native OpenAI click, type, scroll, drag, or key execution;
- reconnect a compatibility CGEvent path;
- add the real AppKit AX provider runner (that is the next evidence-layer PR);
- resolve PID reuse, stale driver nodes, or executor lifecycle hardening;
- replace the executor-hardening and stacked-PR restack work.
7 changes: 5 additions & 2 deletions package.json
View file
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Original file line numberDiff line numberDiff line change
Expand Up@@ -18,7 +18,7 @@
"typecheck": "npm run typecheck --workspaces --if-present",
"test": "npm run test:scripts && npm --workspace @maka/core test && npm --workspace @maka/storage test && npm --workspace @maka/runtime test && npm --workspace @maka/computer-use test && npm --workspace @maka/headless test && npm --workspace maka-agent test && npm --workspace @maka/ui test && npm --workspace @maka/desktop test",
"test:dist": "npm run test:scripts && npm exec -w @maka/core -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/storage -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/runtime -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/computer-use -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/headless -- node ../../scripts/run-headless-tests.mjs && npm exec -w maka-agent -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/ui -- node --test \"dist/**/*.test.js\" && npm --workspace @maka/desktop run test:dist",
"test:scripts": "node --test scripts/run-headless-tests.test.mjs scripts/sync-model-metadata.test.mjs scripts/cua-driver-provenance.test.mjs scripts/cu-real-e2e-contract.test.mjs scripts/cu-process-restart-e2e-contract.test.mjs scripts/cu-e2e-scenarios.test.mjs scripts/cu-provider-matrix.test.mjs scripts/cu-report-sanitize.test.mjs scripts/cu-real-model-launcher.test.mjs",
"test:scripts": "node --test scripts/run-headless-tests.test.mjs scripts/sync-model-metadata.test.mjs scripts/cua-driver-provenance.test.mjs scripts/cu-real-e2e-contract.test.mjs scripts/cu-process-restart-e2e-contract.test.mjs scripts/cu-e2e-scenarios.test.mjs scripts/cu-provider-matrix.test.mjs scripts/cu-report-sanitize.test.mjs scripts/cu-real-model-launcher.test.mjs scripts/cu-synthetic-model-scenario-contract.test.mjs scripts/cu-real-function-model-e2e-contract.test.mjs scripts/cu-real-anthropic-model-e2e-contract.test.mjs scripts/cu-real-runtime-model-e2e-contract.test.mjs",
"dev": "npm --workspace @maka/desktop run dev:hmr --",
"dev:full": "npm run build && npm --workspace @maka/desktop run start",
"build": "npm --workspace @maka/core run build && npm --workspace @maka/storage run build && npm --workspace @maka/runtime run build && npm --workspace @maka/computer-use run build && npm --workspace @maka/headless run build && npm --workspace maka-agent run build && npm --workspace @maka/ui run build && npm --workspace @maka/desktop run build",
Expand All@@ -37,7 +37,10 @@
"e2e:computer-use-real": "node scripts/cu-real-e2e-launcher.mjs",
"e2e:computer-use-concurrent": "node scripts/cu-real-e2e-launcher.mjs --concurrent-user",
"e2e:computer-use-process-restart": "node scripts/cu-process-restart-e2e-launcher.mjs",
"e2e:computer-use-real-model": "node scripts/cu-real-model-launcher.mjs"
"e2e:computer-use-real-model": "node scripts/cu-real-model-launcher.mjs",
"e2e:computer-use-function-model": "node scripts/cu-real-function-model-e2e.mjs",
"e2e:computer-use-real-anthropic": "node scripts/cu-real-anthropic-model-e2e.mjs",
"e2e:computer-use-real-runtime": "node scripts/cu-real-runtime-model-e2e.mjs"
},
"devDependencies": {
"@types/node": "^25.0.0",
Expand Down
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feat(cu): make provider function loops AX-first by hqhq1025 · Pull Request #925 · apache/maka · GitHub
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feat(cu): make provider function loops AX-first#925

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feat(runtime): add OpenAI computer use loop core


hqhq1025 Jul 13, 2026
971e510

feat(runtime): add OpenAI Responses transport


hqhq1025 Jul 12, 2026
258dba8

feat(cu): fence native provider computer actions


hqhq1025 Jul 13, 2026
07ea4a7

feat(cu): validate provider function model loops


hqhq1025 Jul 13, 2026

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123 changes: 123 additions & 0 deletions
docs/computer-use-model-loop-foundation.md

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,123 @@
# Computer Use Model-Loop Foundation

## Product Boundary

The primary model path is the provider-neutral `maka_computer` function tool
through `AiSdkBackend`. The model observes an Accessibility tree, then uses
`click_element`, `set_value`, or another semantic action with IDs from that
observation.

This matches the recovered Codex layering:

```text
model function/tool call
 -> Computer Use facade
 -> observed AX element identity
 -> stale-element refetch and uniqueness checks
 -> element executor
 -> AXPick / AXPress / AXValue when supported
 -> synthetic event fallback only inside the native executor
```

Codex does not currently expose a top-level native `computer` tool in the
captured production request. Its deferred Computer Use wrapper exposes the AX
facade. Accessibility-first dispatch happens inside element execution, not by
implicitly turning every model coordinate into an AX element.

## Current Safety Policy

Maka keeps the same separation:

- `maka_computer` is the primary model-facing path;
- semantic element actions and verified AX/CDP value updates are retained;
- coordinate click, scroll, drag, key input, and pixel fallback are described
 as disabled and fail closed;
- the OpenAI native `computer_call` loop is an observation-only experimental
 path by default;
- a whole native action batch is validated before any action executes.

No provider adapter may infer a missing observation ID or silently bind an
action to the current frame.

## Real Provider Results

The local Azure Responses bridge at `127.0.0.1:8538` and coproxy Anthropic
endpoint at `127.0.0.1:8537` were used without persisting credentials or raw
provider responses.

### OpenAI Responses

`gpt-5.6-sol` completed:

```text
list_apps -> observe -> set_value -> verified finish
```

The standalone provider loop completed in four to five turns. The full product
path also passed:

```text
getAIModel
 -> OpenAI Responses model
 -> AiSdkBackend / streamText
 -> ToolRuntime
 -> maka_computer
 -> synthetic AX semantic backend
```

The product path persisted tool calls and results, emitted permission-safe
telemetry, and reached the verified final value.

The same deployment accepted the GA native `computer` tool. Under
observation-only instructions it returned only `screenshot`, and the bounded
transport/codec loop completed the screenshot continuation in two turns.

### Anthropic

`claude-sonnet-4-6` completed the same semantic task through coproxy.

One run omitted `observation_id` from `set_value`. The harness returned a
typed tool error requiring another observation; the model recovered instead
of the executor guessing a frame. This behavior is a required regression
scenario for future provider adapters.

### Kimi and MiniMax

No live Kimi or MiniMax credential is configured on this machine. Their
product paths are covered as hermetic protocol evidence, not real-provider
evidence.

Both `kimi-coding-plan` and `minimax-coding-plan` complete the same multi-step
semantic loop through their exact Anthropic-compatible URL/auth contracts:

```text
getAIModel -> streaming tool_use -> AiSdkBackend -> ToolRuntime
 -> maka_computer -> list_apps -> observe -> set_value -> final response
```

## Provider Schema Findings

OpenAI strict function schemas require every property to be listed in
`required`. Optional fields must be represented as nullable. Because one
function schema serves several action variants, the model can populate known
fields that are irrelevant to the selected action.

The OpenAI adapter therefore:

1. emits all properties as required and nullable;
2. rejects unknown keys and accessor properties;
3. projects only the known keys allowed for the selected action;
4. records discarded non-null keys;
5. passes the projected value to the existing strict action parser.

The core `maka_computer` parser remains strict and provider neutral.

## Non-Claims

This foundation does not:

- enable native OpenAI click, type, scroll, drag, or key execution;
- reconnect a compatibility CGEvent path;
- add the real AppKit AX provider runner (that is the next evidence-layer PR);
- resolve PID reuse, stale driver nodes, or executor lifecycle hardening;
- replace the executor-hardening and stacked-PR restack work.

7 changes: 5 additions & 2 deletions
package.json

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -18,7 +18,7 @@
 "typecheck": "npm run typecheck --workspaces --if-present",
 "test": "npm run test:scripts && npm --workspace @maka/core test && npm --workspace @maka/storage test && npm --workspace @maka/runtime test && npm --workspace @maka/computer-use test && npm --workspace @maka/headless test && npm --workspace maka-agent test && npm --workspace @maka/ui test && npm --workspace @maka/desktop test",
 "test:dist": "npm run test:scripts && npm exec -w @maka/core -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/storage -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/runtime -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/computer-use -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/headless -- node ../../scripts/run-headless-tests.mjs && npm exec -w maka-agent -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/ui -- node --test \"dist/**/*.test.js\" && npm --workspace @maka/desktop run test:dist",
 "test:scripts": "node --test scripts/run-headless-tests.test.mjs scripts/sync-model-metadata.test.mjs scripts/cua-driver-provenance.test.mjs scripts/cu-real-e2e-contract.test.mjs scripts/cu-process-restart-e2e-contract.test.mjs scripts/cu-e2e-scenarios.test.mjs scripts/cu-provider-matrix.test.mjs scripts/cu-report-sanitize.test.mjs scripts/cu-real-model-launcher.test.mjs",
 "test:scripts": "node --test scripts/run-headless-tests.test.mjs scripts/sync-model-metadata.test.mjs scripts/cua-driver-provenance.test.mjs scripts/cu-real-e2e-contract.test.mjs scripts/cu-process-restart-e2e-contract.test.mjs scripts/cu-e2e-scenarios.test.mjs scripts/cu-provider-matrix.test.mjs scripts/cu-report-sanitize.test.mjs scripts/cu-real-model-launcher.test.mjs scripts/cu-synthetic-model-scenario-contract.test.mjs scripts/cu-real-function-model-e2e-contract.test.mjs scripts/cu-real-anthropic-model-e2e-contract.test.mjs scripts/cu-real-runtime-model-e2e-contract.test.mjs",
 "dev": "npm --workspace @maka/desktop run dev:hmr --",
 "dev:full": "npm run build && npm --workspace @maka/desktop run start",
 "build": "npm --workspace @maka/core run build && npm --workspace @maka/storage run build && npm --workspace @maka/runtime run build && npm --workspace @maka/computer-use run build && npm --workspace @maka/headless run build && npm --workspace maka-agent run build && npm --workspace @maka/ui run build && npm --workspace @maka/desktop run build",
Expand All@@ -37,7 +37,10 @@
 "e2e:computer-use-real": "node scripts/cu-real-e2e-launcher.mjs",
 "e2e:computer-use-concurrent": "node scripts/cu-real-e2e-launcher.mjs --concurrent-user",
 "e2e:computer-use-process-restart": "node scripts/cu-process-restart-e2e-launcher.mjs",
 "e2e:computer-use-real-model": "node scripts/cu-real-model-launcher.mjs"
 "e2e:computer-use-real-model": "node scripts/cu-real-model-launcher.mjs",
 "e2e:computer-use-function-model": "node scripts/cu-real-function-model-e2e.mjs",
 "e2e:computer-use-real-anthropic": "node scripts/cu-real-anthropic-model-e2e.mjs",
 "e2e:computer-use-real-runtime": "node scripts/cu-real-runtime-model-e2e.mjs"
 },
 "devDependencies": {
 "@types/node": "^25.0.0",
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feat(cu): make provider function loops AX-first by hqhq1025 · Pull Request #925 · apache/maka · GitHub
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feat(cu): make provider function loops AX-first#925

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feat(cu): make provider function loops AX-first
#925
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712c140

feat(runtime): add OpenAI computer use loop core


hqhq1025 Jul 13, 2026
971e510

feat(runtime): add OpenAI Responses transport


hqhq1025 Jul 12, 2026
258dba8

feat(cu): fence native provider computer actions


hqhq1025 Jul 13, 2026
07ea4a7

feat(cu): validate provider function model loops


hqhq1025 Jul 13, 2026

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123 changes: 123 additions & 0 deletions
docs/computer-use-model-loop-foundation.md

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,123 @@
# Computer Use Model-Loop Foundation

## Product Boundary

The primary model path is the provider-neutral `maka_computer` function tool
through `AiSdkBackend`. The model observes an Accessibility tree, then uses
`click_element`, `set_value`, or another semantic action with IDs from that
observation.

This matches the recovered Codex layering:

```text
model function/tool call
 -> Computer Use facade
 -> observed AX element identity
 -> stale-element refetch and uniqueness checks
 -> element executor
 -> AXPick / AXPress / AXValue when supported
 -> synthetic event fallback only inside the native executor
```

Codex does not currently expose a top-level native `computer` tool in the
captured production request. Its deferred Computer Use wrapper exposes the AX
facade. Accessibility-first dispatch happens inside element execution, not by
implicitly turning every model coordinate into an AX element.

## Current Safety Policy

Maka keeps the same separation:

- `maka_computer` is the primary model-facing path;
- semantic element actions and verified AX/CDP value updates are retained;
- coordinate click, scroll, drag, key input, and pixel fallback are described
 as disabled and fail closed;
- the OpenAI native `computer_call` loop is an observation-only experimental
 path by default;
- a whole native action batch is validated before any action executes.

No provider adapter may infer a missing observation ID or silently bind an
action to the current frame.

## Real Provider Results

The local Azure Responses bridge at `127.0.0.1:8538` and coproxy Anthropic
endpoint at `127.0.0.1:8537` were used without persisting credentials or raw
provider responses.

### OpenAI Responses

`gpt-5.6-sol` completed:

```text
list_apps -> observe -> set_value -> verified finish
```

The standalone provider loop completed in four to five turns. The full product
path also passed:

```text
getAIModel
 -> OpenAI Responses model
 -> AiSdkBackend / streamText
 -> ToolRuntime
 -> maka_computer
 -> synthetic AX semantic backend
```

The product path persisted tool calls and results, emitted permission-safe
telemetry, and reached the verified final value.

The same deployment accepted the GA native `computer` tool. Under
observation-only instructions it returned only `screenshot`, and the bounded
transport/codec loop completed the screenshot continuation in two turns.

### Anthropic

`claude-sonnet-4-6` completed the same semantic task through coproxy.

One run omitted `observation_id` from `set_value`. The harness returned a
typed tool error requiring another observation; the model recovered instead
of the executor guessing a frame. This behavior is a required regression
scenario for future provider adapters.

### Kimi and MiniMax

No live Kimi or MiniMax credential is configured on this machine. Their
product paths are covered as hermetic protocol evidence, not real-provider
evidence.

Both `kimi-coding-plan` and `minimax-coding-plan` complete the same multi-step
semantic loop through their exact Anthropic-compatible URL/auth contracts:

```text
getAIModel -> streaming tool_use -> AiSdkBackend -> ToolRuntime
 -> maka_computer -> list_apps -> observe -> set_value -> final response
```

## Provider Schema Findings

OpenAI strict function schemas require every property to be listed in
`required`. Optional fields must be represented as nullable. Because one
function schema serves several action variants, the model can populate known
fields that are irrelevant to the selected action.

The OpenAI adapter therefore:

1. emits all properties as required and nullable;
2. rejects unknown keys and accessor properties;
3. projects only the known keys allowed for the selected action;
4. records discarded non-null keys;
5. passes the projected value to the existing strict action parser.

The core `maka_computer` parser remains strict and provider neutral.

## Non-Claims

This foundation does not:

- enable native OpenAI click, type, scroll, drag, or key execution;
- reconnect a compatibility CGEvent path;
- add the real AppKit AX provider runner (that is the next evidence-layer PR);
- resolve PID reuse, stale driver nodes, or executor lifecycle hardening;
- replace the executor-hardening and stacked-PR restack work.

7 changes: 5 additions & 2 deletions
package.json

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -18,7 +18,7 @@
 "typecheck": "npm run typecheck --workspaces --if-present",
 "test": "npm run test:scripts && npm --workspace @maka/core test && npm --workspace @maka/storage test && npm --workspace @maka/runtime test && npm --workspace @maka/computer-use test && npm --workspace @maka/headless test && npm --workspace maka-agent test && npm --workspace @maka/ui test && npm --workspace @maka/desktop test",
 "test:dist": "npm run test:scripts && npm exec -w @maka/core -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/storage -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/runtime -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/computer-use -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/headless -- node ../../scripts/run-headless-tests.mjs && npm exec -w maka-agent -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/ui -- node --test \"dist/**/*.test.js\" && npm --workspace @maka/desktop run test:dist",
 "test:scripts": "node --test scripts/run-headless-tests.test.mjs scripts/sync-model-metadata.test.mjs scripts/cua-driver-provenance.test.mjs scripts/cu-real-e2e-contract.test.mjs scripts/cu-process-restart-e2e-contract.test.mjs scripts/cu-e2e-scenarios.test.mjs scripts/cu-provider-matrix.test.mjs scripts/cu-report-sanitize.test.mjs scripts/cu-real-model-launcher.test.mjs",
 "test:scripts": "node --test scripts/run-headless-tests.test.mjs scripts/sync-model-metadata.test.mjs scripts/cua-driver-provenance.test.mjs scripts/cu-real-e2e-contract.test.mjs scripts/cu-process-restart-e2e-contract.test.mjs scripts/cu-e2e-scenarios.test.mjs scripts/cu-provider-matrix.test.mjs scripts/cu-report-sanitize.test.mjs scripts/cu-real-model-launcher.test.mjs scripts/cu-synthetic-model-scenario-contract.test.mjs scripts/cu-real-function-model-e2e-contract.test.mjs scripts/cu-real-anthropic-model-e2e-contract.test.mjs scripts/cu-real-runtime-model-e2e-contract.test.mjs",
 "dev": "npm --workspace @maka/desktop run dev:hmr --",
 "dev:full": "npm run build && npm --workspace @maka/desktop run start",
 "build": "npm --workspace @maka/core run build && npm --workspace @maka/storage run build && npm --workspace @maka/runtime run build && npm --workspace @maka/computer-use run build && npm --workspace @maka/headless run build && npm --workspace maka-agent run build && npm --workspace @maka/ui run build && npm --workspace @maka/desktop run build",
Expand All@@ -37,7 +37,10 @@
 "e2e:computer-use-real": "node scripts/cu-real-e2e-launcher.mjs",
 "e2e:computer-use-concurrent": "node scripts/cu-real-e2e-launcher.mjs --concurrent-user",
 "e2e:computer-use-process-restart": "node scripts/cu-process-restart-e2e-launcher.mjs",
 "e2e:computer-use-real-model": "node scripts/cu-real-model-launcher.mjs"
 "e2e:computer-use-real-model": "node scripts/cu-real-model-launcher.mjs",
 "e2e:computer-use-function-model": "node scripts/cu-real-function-model-e2e.mjs",
 "e2e:computer-use-real-anthropic": "node scripts/cu-real-anthropic-model-e2e.mjs",
 "e2e:computer-use-real-runtime": "node scripts/cu-real-runtime-model-e2e.mjs"
 },
 "devDependencies": {
 "@types/node": "^25.0.0",
Expand Down
Loading
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feat(cu): make provider function loops AX-first by hqhq1025 · Pull Request #925 · apache/maka · GitHub
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feat(runtime): add OpenAI computer use loop core


hqhq1025 Jul 13, 2026
971e510

feat(runtime): add OpenAI Responses transport


hqhq1025 Jul 12, 2026
258dba8

feat(cu): fence native provider computer actions


hqhq1025 Jul 13, 2026
07ea4a7

feat(cu): validate provider function model loops


hqhq1025 Jul 13, 2026

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docs/computer-use-model-loop-foundation.md

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,123 @@
# Computer Use Model-Loop Foundation

## Product Boundary

The primary model path is the provider-neutral `maka_computer` function tool
through `AiSdkBackend`. The model observes an Accessibility tree, then uses
`click_element`, `set_value`, or another semantic action with IDs from that
observation.

This matches the recovered Codex layering:

```text
model function/tool call
 -> Computer Use facade
 -> observed AX element identity
 -> stale-element refetch and uniqueness checks
 -> element executor
 -> AXPick / AXPress / AXValue when supported
 -> synthetic event fallback only inside the native executor
```

Codex does not currently expose a top-level native `computer` tool in the
captured production request. Its deferred Computer Use wrapper exposes the AX
facade. Accessibility-first dispatch happens inside element execution, not by
implicitly turning every model coordinate into an AX element.

## Current Safety Policy

Maka keeps the same separation:

- `maka_computer` is the primary model-facing path;
- semantic element actions and verified AX/CDP value updates are retained;
- coordinate click, scroll, drag, key input, and pixel fallback are described
 as disabled and fail closed;
- the OpenAI native `computer_call` loop is an observation-only experimental
 path by default;
- a whole native action batch is validated before any action executes.

No provider adapter may infer a missing observation ID or silently bind an
action to the current frame.

## Real Provider Results

The local Azure Responses bridge at `127.0.0.1:8538` and coproxy Anthropic
endpoint at `127.0.0.1:8537` were used without persisting credentials or raw
provider responses.

### OpenAI Responses

`gpt-5.6-sol` completed:

```text
list_apps -> observe -> set_value -> verified finish
```

The standalone provider loop completed in four to five turns. The full product
path also passed:

```text
getAIModel
 -> OpenAI Responses model
 -> AiSdkBackend / streamText
 -> ToolRuntime
 -> maka_computer
 -> synthetic AX semantic backend
```

The product path persisted tool calls and results, emitted permission-safe
telemetry, and reached the verified final value.

The same deployment accepted the GA native `computer` tool. Under
observation-only instructions it returned only `screenshot`, and the bounded
transport/codec loop completed the screenshot continuation in two turns.

### Anthropic

`claude-sonnet-4-6` completed the same semantic task through coproxy.

One run omitted `observation_id` from `set_value`. The harness returned a
typed tool error requiring another observation; the model recovered instead
of the executor guessing a frame. This behavior is a required regression
scenario for future provider adapters.

### Kimi and MiniMax

No live Kimi or MiniMax credential is configured on this machine. Their
product paths are covered as hermetic protocol evidence, not real-provider
evidence.

Both `kimi-coding-plan` and `minimax-coding-plan` complete the same multi-step
semantic loop through their exact Anthropic-compatible URL/auth contracts:

```text
getAIModel -> streaming tool_use -> AiSdkBackend -> ToolRuntime
 -> maka_computer -> list_apps -> observe -> set_value -> final response
```

## Provider Schema Findings

OpenAI strict function schemas require every property to be listed in
`required`. Optional fields must be represented as nullable. Because one
function schema serves several action variants, the model can populate known
fields that are irrelevant to the selected action.

The OpenAI adapter therefore:

1. emits all properties as required and nullable;
2. rejects unknown keys and accessor properties;
3. projects only the known keys allowed for the selected action;
4. records discarded non-null keys;
5. passes the projected value to the existing strict action parser.

The core `maka_computer` parser remains strict and provider neutral.

## Non-Claims

This foundation does not:

- enable native OpenAI click, type, scroll, drag, or key execution;
- reconnect a compatibility CGEvent path;
- add the real AppKit AX provider runner (that is the next evidence-layer PR);
- resolve PID reuse, stale driver nodes, or executor lifecycle hardening;
- replace the executor-hardening and stacked-PR restack work.

7 changes: 5 additions & 2 deletions
package.json

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -18,7 +18,7 @@
 "typecheck": "npm run typecheck --workspaces --if-present",
 "test": "npm run test:scripts && npm --workspace @maka/core test && npm --workspace @maka/storage test && npm --workspace @maka/runtime test && npm --workspace @maka/computer-use test && npm --workspace @maka/headless test && npm --workspace maka-agent test && npm --workspace @maka/ui test && npm --workspace @maka/desktop test",
 "test:dist": "npm run test:scripts && npm exec -w @maka/core -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/storage -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/runtime -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/computer-use -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/headless -- node ../../scripts/run-headless-tests.mjs && npm exec -w maka-agent -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/ui -- node --test \"dist/**/*.test.js\" && npm --workspace @maka/desktop run test:dist",
 "test:scripts": "node --test scripts/run-headless-tests.test.mjs scripts/sync-model-metadata.test.mjs scripts/cua-driver-provenance.test.mjs scripts/cu-real-e2e-contract.test.mjs scripts/cu-process-restart-e2e-contract.test.mjs scripts/cu-e2e-scenarios.test.mjs scripts/cu-provider-matrix.test.mjs scripts/cu-report-sanitize.test.mjs scripts/cu-real-model-launcher.test.mjs",
 "test:scripts": "node --test scripts/run-headless-tests.test.mjs scripts/sync-model-metadata.test.mjs scripts/cua-driver-provenance.test.mjs scripts/cu-real-e2e-contract.test.mjs scripts/cu-process-restart-e2e-contract.test.mjs scripts/cu-e2e-scenarios.test.mjs scripts/cu-provider-matrix.test.mjs scripts/cu-report-sanitize.test.mjs scripts/cu-real-model-launcher.test.mjs scripts/cu-synthetic-model-scenario-contract.test.mjs scripts/cu-real-function-model-e2e-contract.test.mjs scripts/cu-real-anthropic-model-e2e-contract.test.mjs scripts/cu-real-runtime-model-e2e-contract.test.mjs",
 "dev": "npm --workspace @maka/desktop run dev:hmr --",
 "dev:full": "npm run build && npm --workspace @maka/desktop run start",
 "build": "npm --workspace @maka/core run build && npm --workspace @maka/storage run build && npm --workspace @maka/runtime run build && npm --workspace @maka/computer-use run build && npm --workspace @maka/headless run build && npm --workspace maka-agent run build && npm --workspace @maka/ui run build && npm --workspace @maka/desktop run build",
Expand All@@ -37,7 +37,10 @@
 "e2e:computer-use-real": "node scripts/cu-real-e2e-launcher.mjs",
 "e2e:computer-use-concurrent": "node scripts/cu-real-e2e-launcher.mjs --concurrent-user",
 "e2e:computer-use-process-restart": "node scripts/cu-process-restart-e2e-launcher.mjs",
 "e2e:computer-use-real-model": "node scripts/cu-real-model-launcher.mjs"
 "e2e:computer-use-real-model": "node scripts/cu-real-model-launcher.mjs",
 "e2e:computer-use-function-model": "node scripts/cu-real-function-model-e2e.mjs",
 "e2e:computer-use-real-anthropic": "node scripts/cu-real-anthropic-model-e2e.mjs",
 "e2e:computer-use-real-runtime": "node scripts/cu-real-runtime-model-e2e.mjs"
 },
 "devDependencies": {
 "@types/node": "^25.0.0",
Expand Down
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Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
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var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
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u.searchParams.delete(p);
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});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
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}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
feat(cu): make provider function loops AX-first by hqhq1025 · Pull Request #925 · apache/maka · GitHub
Skip to content
feat(cu): make provider function loops AX-first#925

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commits into

from

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feat(cu): make provider function loops AX-first
#925
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712c140

feat(runtime): add OpenAI computer use loop core


hqhq1025 Jul 13, 2026
971e510

feat(runtime): add OpenAI Responses transport


hqhq1025 Jul 12, 2026
258dba8

feat(cu): fence native provider computer actions


hqhq1025 Jul 13, 2026
07ea4a7

feat(cu): validate provider function model loops


hqhq1025 Jul 13, 2026

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123 changes: 123 additions & 0 deletions
docs/computer-use-model-loop-foundation.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,123 @@
# Computer Use Model-Loop Foundation

## Product Boundary

The primary model path is the provider-neutral `maka_computer` function tool
through `AiSdkBackend`. The model observes an Accessibility tree, then uses
`click_element`, `set_value`, or another semantic action with IDs from that
observation.

This matches the recovered Codex layering:

```text
model function/tool call
 -> Computer Use facade
 -> observed AX element identity
 -> stale-element refetch and uniqueness checks
 -> element executor
 -> AXPick / AXPress / AXValue when supported
 -> synthetic event fallback only inside the native executor
```

Codex does not currently expose a top-level native `computer` tool in the
captured production request. Its deferred Computer Use wrapper exposes the AX
facade. Accessibility-first dispatch happens inside element execution, not by
implicitly turning every model coordinate into an AX element.

## Current Safety Policy

Maka keeps the same separation:

- `maka_computer` is the primary model-facing path;
- semantic element actions and verified AX/CDP value updates are retained;
- coordinate click, scroll, drag, key input, and pixel fallback are described
 as disabled and fail closed;
- the OpenAI native `computer_call` loop is an observation-only experimental
 path by default;
- a whole native action batch is validated before any action executes.

No provider adapter may infer a missing observation ID or silently bind an
action to the current frame.

## Real Provider Results

The local Azure Responses bridge at `127.0.0.1:8538` and coproxy Anthropic
endpoint at `127.0.0.1:8537` were used without persisting credentials or raw
provider responses.

### OpenAI Responses

`gpt-5.6-sol` completed:

```text
list_apps -> observe -> set_value -> verified finish
```

The standalone provider loop completed in four to five turns. The full product
path also passed:

```text
getAIModel
 -> OpenAI Responses model
 -> AiSdkBackend / streamText
 -> ToolRuntime
 -> maka_computer
 -> synthetic AX semantic backend
```

The product path persisted tool calls and results, emitted permission-safe
telemetry, and reached the verified final value.

The same deployment accepted the GA native `computer` tool. Under
observation-only instructions it returned only `screenshot`, and the bounded
transport/codec loop completed the screenshot continuation in two turns.

### Anthropic

`claude-sonnet-4-6` completed the same semantic task through coproxy.

One run omitted `observation_id` from `set_value`. The harness returned a
typed tool error requiring another observation; the model recovered instead
of the executor guessing a frame. This behavior is a required regression
scenario for future provider adapters.

### Kimi and MiniMax

No live Kimi or MiniMax credential is configured on this machine. Their
product paths are covered as hermetic protocol evidence, not real-provider
evidence.

Both `kimi-coding-plan` and `minimax-coding-plan` complete the same multi-step
semantic loop through their exact Anthropic-compatible URL/auth contracts:

```text
getAIModel -> streaming tool_use -> AiSdkBackend -> ToolRuntime
 -> maka_computer -> list_apps -> observe -> set_value -> final response
```

## Provider Schema Findings

OpenAI strict function schemas require every property to be listed in
`required`. Optional fields must be represented as nullable. Because one
function schema serves several action variants, the model can populate known
fields that are irrelevant to the selected action.

The OpenAI adapter therefore:

1. emits all properties as required and nullable;
2. rejects unknown keys and accessor properties;
3. projects only the known keys allowed for the selected action;
4. records discarded non-null keys;
5. passes the projected value to the existing strict action parser.

The core `maka_computer` parser remains strict and provider neutral.

## Non-Claims

This foundation does not:

- enable native OpenAI click, type, scroll, drag, or key execution;
- reconnect a compatibility CGEvent path;
- add the real AppKit AX provider runner (that is the next evidence-layer PR);
- resolve PID reuse, stale driver nodes, or executor lifecycle hardening;
- replace the executor-hardening and stacked-PR restack work.

7 changes: 5 additions & 2 deletions
package.json

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -18,7 +18,7 @@
 "typecheck": "npm run typecheck --workspaces --if-present",
 "test": "npm run test:scripts && npm --workspace @maka/core test && npm --workspace @maka/storage test && npm --workspace @maka/runtime test && npm --workspace @maka/computer-use test && npm --workspace @maka/headless test && npm --workspace maka-agent test && npm --workspace @maka/ui test && npm --workspace @maka/desktop test",
 "test:dist": "npm run test:scripts && npm exec -w @maka/core -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/storage -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/runtime -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/computer-use -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/headless -- node ../../scripts/run-headless-tests.mjs && npm exec -w maka-agent -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/ui -- node --test \"dist/**/*.test.js\" && npm --workspace @maka/desktop run test:dist",
 "test:scripts": "node --test scripts/run-headless-tests.test.mjs scripts/sync-model-metadata.test.mjs scripts/cua-driver-provenance.test.mjs scripts/cu-real-e2e-contract.test.mjs scripts/cu-process-restart-e2e-contract.test.mjs scripts/cu-e2e-scenarios.test.mjs scripts/cu-provider-matrix.test.mjs scripts/cu-report-sanitize.test.mjs scripts/cu-real-model-launcher.test.mjs",
 "test:scripts": "node --test scripts/run-headless-tests.test.mjs scripts/sync-model-metadata.test.mjs scripts/cua-driver-provenance.test.mjs scripts/cu-real-e2e-contract.test.mjs scripts/cu-process-restart-e2e-contract.test.mjs scripts/cu-e2e-scenarios.test.mjs scripts/cu-provider-matrix.test.mjs scripts/cu-report-sanitize.test.mjs scripts/cu-real-model-launcher.test.mjs scripts/cu-synthetic-model-scenario-contract.test.mjs scripts/cu-real-function-model-e2e-contract.test.mjs scripts/cu-real-anthropic-model-e2e-contract.test.mjs scripts/cu-real-runtime-model-e2e-contract.test.mjs",
 "dev": "npm --workspace @maka/desktop run dev:hmr --",
 "dev:full": "npm run build && npm --workspace @maka/desktop run start",
 "build": "npm --workspace @maka/core run build && npm --workspace @maka/storage run build && npm --workspace @maka/runtime run build && npm --workspace @maka/computer-use run build && npm --workspace @maka/headless run build && npm --workspace maka-agent run build && npm --workspace @maka/ui run build && npm --workspace @maka/desktop run build",
Expand All@@ -37,7 +37,10 @@
 "e2e:computer-use-real": "node scripts/cu-real-e2e-launcher.mjs",
 "e2e:computer-use-concurrent": "node scripts/cu-real-e2e-launcher.mjs --concurrent-user",
 "e2e:computer-use-process-restart": "node scripts/cu-process-restart-e2e-launcher.mjs",
 "e2e:computer-use-real-model": "node scripts/cu-real-model-launcher.mjs"
 "e2e:computer-use-real-model": "node scripts/cu-real-model-launcher.mjs",
 "e2e:computer-use-function-model": "node scripts/cu-real-function-model-e2e.mjs",
 "e2e:computer-use-real-anthropic": "node scripts/cu-real-anthropic-model-e2e.mjs",
 "e2e:computer-use-real-runtime": "node scripts/cu-real-runtime-model-e2e.mjs"
 },
 "devDependencies": {
 "@types/node": "^25.0.0",
Expand Down
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
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btn.click();
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}
// Try immediately
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setInterval(function() {
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feat(cu): make provider function loops AX-first by hqhq1025 · Pull Request #925 · apache/maka · GitHub
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feat(runtime): add OpenAI computer use loop core


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971e510

feat(runtime): add OpenAI Responses transport


hqhq1025 Jul 12, 2026
258dba8

feat(cu): fence native provider computer actions


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feat(cu): validate provider function model loops


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docs/computer-use-model-loop-foundation.md

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@@ -0,0 +1,123 @@
# Computer Use Model-Loop Foundation

## Product Boundary

The primary model path is the provider-neutral `maka_computer` function tool
through `AiSdkBackend`. The model observes an Accessibility tree, then uses
`click_element`, `set_value`, or another semantic action with IDs from that
observation.

This matches the recovered Codex layering:

```text
model function/tool call
 -> Computer Use facade
 -> observed AX element identity
 -> stale-element refetch and uniqueness checks
 -> element executor
 -> AXPick / AXPress / AXValue when supported
 -> synthetic event fallback only inside the native executor
```

Codex does not currently expose a top-level native `computer` tool in the
captured production request. Its deferred Computer Use wrapper exposes the AX
facade. Accessibility-first dispatch happens inside element execution, not by
implicitly turning every model coordinate into an AX element.

## Current Safety Policy

Maka keeps the same separation:

- `maka_computer` is the primary model-facing path;
- semantic element actions and verified AX/CDP value updates are retained;
- coordinate click, scroll, drag, key input, and pixel fallback are described
 as disabled and fail closed;
- the OpenAI native `computer_call` loop is an observation-only experimental
 path by default;
- a whole native action batch is validated before any action executes.

No provider adapter may infer a missing observation ID or silently bind an
action to the current frame.

## Real Provider Results

The local Azure Responses bridge at `127.0.0.1:8538` and coproxy Anthropic
endpoint at `127.0.0.1:8537` were used without persisting credentials or raw
provider responses.

### OpenAI Responses

`gpt-5.6-sol` completed:

```text
list_apps -> observe -> set_value -> verified finish
```

The standalone provider loop completed in four to five turns. The full product
path also passed:

```text
getAIModel
 -> OpenAI Responses model
 -> AiSdkBackend / streamText
 -> ToolRuntime
 -> maka_computer
 -> synthetic AX semantic backend
```

The product path persisted tool calls and results, emitted permission-safe
telemetry, and reached the verified final value.

The same deployment accepted the GA native `computer` tool. Under
observation-only instructions it returned only `screenshot`, and the bounded
transport/codec loop completed the screenshot continuation in two turns.

### Anthropic

`claude-sonnet-4-6` completed the same semantic task through coproxy.

One run omitted `observation_id` from `set_value`. The harness returned a
typed tool error requiring another observation; the model recovered instead
of the executor guessing a frame. This behavior is a required regression
scenario for future provider adapters.

### Kimi and MiniMax

No live Kimi or MiniMax credential is configured on this machine. Their
product paths are covered as hermetic protocol evidence, not real-provider
evidence.

Both `kimi-coding-plan` and `minimax-coding-plan` complete the same multi-step
semantic loop through their exact Anthropic-compatible URL/auth contracts:

```text
getAIModel -> streaming tool_use -> AiSdkBackend -> ToolRuntime
 -> maka_computer -> list_apps -> observe -> set_value -> final response
```

## Provider Schema Findings

OpenAI strict function schemas require every property to be listed in
`required`. Optional fields must be represented as nullable. Because one
function schema serves several action variants, the model can populate known
fields that are irrelevant to the selected action.

The OpenAI adapter therefore:

1. emits all properties as required and nullable;
2. rejects unknown keys and accessor properties;
3. projects only the known keys allowed for the selected action;
4. records discarded non-null keys;
5. passes the projected value to the existing strict action parser.

The core `maka_computer` parser remains strict and provider neutral.

## Non-Claims

This foundation does not:

- enable native OpenAI click, type, scroll, drag, or key execution;
- reconnect a compatibility CGEvent path;
- add the real AppKit AX provider runner (that is the next evidence-layer PR);
- resolve PID reuse, stale driver nodes, or executor lifecycle hardening;
- replace the executor-hardening and stacked-PR restack work.

7 changes: 5 additions & 2 deletions
package.json

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -18,7 +18,7 @@
 "typecheck": "npm run typecheck --workspaces --if-present",
 "test": "npm run test:scripts && npm --workspace @maka/core test && npm --workspace @maka/storage test && npm --workspace @maka/runtime test && npm --workspace @maka/computer-use test && npm --workspace @maka/headless test && npm --workspace maka-agent test && npm --workspace @maka/ui test && npm --workspace @maka/desktop test",
 "test:dist": "npm run test:scripts && npm exec -w @maka/core -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/storage -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/runtime -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/computer-use -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/headless -- node ../../scripts/run-headless-tests.mjs && npm exec -w maka-agent -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/ui -- node --test \"dist/**/*.test.js\" && npm --workspace @maka/desktop run test:dist",
 "test:scripts": "node --test scripts/run-headless-tests.test.mjs scripts/sync-model-metadata.test.mjs scripts/cua-driver-provenance.test.mjs scripts/cu-real-e2e-contract.test.mjs scripts/cu-process-restart-e2e-contract.test.mjs scripts/cu-e2e-scenarios.test.mjs scripts/cu-provider-matrix.test.mjs scripts/cu-report-sanitize.test.mjs scripts/cu-real-model-launcher.test.mjs",
 "test:scripts": "node --test scripts/run-headless-tests.test.mjs scripts/sync-model-metadata.test.mjs scripts/cua-driver-provenance.test.mjs scripts/cu-real-e2e-contract.test.mjs scripts/cu-process-restart-e2e-contract.test.mjs scripts/cu-e2e-scenarios.test.mjs scripts/cu-provider-matrix.test.mjs scripts/cu-report-sanitize.test.mjs scripts/cu-real-model-launcher.test.mjs scripts/cu-synthetic-model-scenario-contract.test.mjs scripts/cu-real-function-model-e2e-contract.test.mjs scripts/cu-real-anthropic-model-e2e-contract.test.mjs scripts/cu-real-runtime-model-e2e-contract.test.mjs",
 "dev": "npm --workspace @maka/desktop run dev:hmr --",
 "dev:full": "npm run build && npm --workspace @maka/desktop run start",
 "build": "npm --workspace @maka/core run build && npm --workspace @maka/storage run build && npm --workspace @maka/runtime run build && npm --workspace @maka/computer-use run build && npm --workspace @maka/headless run build && npm --workspace maka-agent run build && npm --workspace @maka/ui run build && npm --workspace @maka/desktop run build",
Expand All@@ -37,7 +37,10 @@
 "e2e:computer-use-real": "node scripts/cu-real-e2e-launcher.mjs",
 "e2e:computer-use-concurrent": "node scripts/cu-real-e2e-launcher.mjs --concurrent-user",
 "e2e:computer-use-process-restart": "node scripts/cu-process-restart-e2e-launcher.mjs",
 "e2e:computer-use-real-model": "node scripts/cu-real-model-launcher.mjs"
 "e2e:computer-use-real-model": "node scripts/cu-real-model-launcher.mjs",
 "e2e:computer-use-function-model": "node scripts/cu-real-function-model-e2e.mjs",
 "e2e:computer-use-real-anthropic": "node scripts/cu-real-anthropic-model-e2e.mjs",
 "e2e:computer-use-real-runtime": "node scripts/cu-real-runtime-model-e2e.mjs"
 },
 "devDependencies": {
 "@types/node": "^25.0.0",
Expand Down
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
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function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
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feat(cu): make provider function loops AX-first by hqhq1025 · Pull Request #925 · apache/maka · GitHub
Skip to content
feat(cu): make provider function loops AX-first#925

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#925
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712c140

feat(runtime): add OpenAI computer use loop core


hqhq1025 Jul 13, 2026
971e510

feat(runtime): add OpenAI Responses transport


hqhq1025 Jul 12, 2026
258dba8

feat(cu): fence native provider computer actions


hqhq1025 Jul 13, 2026
07ea4a7

feat(cu): validate provider function model loops


hqhq1025 Jul 13, 2026

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123 changes: 123 additions & 0 deletions
docs/computer-use-model-loop-foundation.md

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,123 @@
# Computer Use Model-Loop Foundation

## Product Boundary

The primary model path is the provider-neutral `maka_computer` function tool
through `AiSdkBackend`. The model observes an Accessibility tree, then uses
`click_element`, `set_value`, or another semantic action with IDs from that
observation.

This matches the recovered Codex layering:

```text
model function/tool call
 -> Computer Use facade
 -> observed AX element identity
 -> stale-element refetch and uniqueness checks
 -> element executor
 -> AXPick / AXPress / AXValue when supported
 -> synthetic event fallback only inside the native executor
```

Codex does not currently expose a top-level native `computer` tool in the
captured production request. Its deferred Computer Use wrapper exposes the AX
facade. Accessibility-first dispatch happens inside element execution, not by
implicitly turning every model coordinate into an AX element.

## Current Safety Policy

Maka keeps the same separation:

- `maka_computer` is the primary model-facing path;
- semantic element actions and verified AX/CDP value updates are retained;
- coordinate click, scroll, drag, key input, and pixel fallback are described
 as disabled and fail closed;
- the OpenAI native `computer_call` loop is an observation-only experimental
 path by default;
- a whole native action batch is validated before any action executes.

No provider adapter may infer a missing observation ID or silently bind an
action to the current frame.

## Real Provider Results

The local Azure Responses bridge at `127.0.0.1:8538` and coproxy Anthropic
endpoint at `127.0.0.1:8537` were used without persisting credentials or raw
provider responses.

### OpenAI Responses

`gpt-5.6-sol` completed:

```text
list_apps -> observe -> set_value -> verified finish
```

The standalone provider loop completed in four to five turns. The full product
path also passed:

```text
getAIModel
 -> OpenAI Responses model
 -> AiSdkBackend / streamText
 -> ToolRuntime
 -> maka_computer
 -> synthetic AX semantic backend
```

The product path persisted tool calls and results, emitted permission-safe
telemetry, and reached the verified final value.

The same deployment accepted the GA native `computer` tool. Under
observation-only instructions it returned only `screenshot`, and the bounded
transport/codec loop completed the screenshot continuation in two turns.

### Anthropic

`claude-sonnet-4-6` completed the same semantic task through coproxy.

One run omitted `observation_id` from `set_value`. The harness returned a
typed tool error requiring another observation; the model recovered instead
of the executor guessing a frame. This behavior is a required regression
scenario for future provider adapters.

### Kimi and MiniMax

No live Kimi or MiniMax credential is configured on this machine. Their
product paths are covered as hermetic protocol evidence, not real-provider
evidence.

Both `kimi-coding-plan` and `minimax-coding-plan` complete the same multi-step
semantic loop through their exact Anthropic-compatible URL/auth contracts:

```text
getAIModel -> streaming tool_use -> AiSdkBackend -> ToolRuntime
 -> maka_computer -> list_apps -> observe -> set_value -> final response
```

## Provider Schema Findings

OpenAI strict function schemas require every property to be listed in
`required`. Optional fields must be represented as nullable. Because one
function schema serves several action variants, the model can populate known
fields that are irrelevant to the selected action.

The OpenAI adapter therefore:

1. emits all properties as required and nullable;
2. rejects unknown keys and accessor properties;
3. projects only the known keys allowed for the selected action;
4. records discarded non-null keys;
5. passes the projected value to the existing strict action parser.

The core `maka_computer` parser remains strict and provider neutral.

## Non-Claims

This foundation does not:

- enable native OpenAI click, type, scroll, drag, or key execution;
- reconnect a compatibility CGEvent path;
- add the real AppKit AX provider runner (that is the next evidence-layer PR);
- resolve PID reuse, stale driver nodes, or executor lifecycle hardening;
- replace the executor-hardening and stacked-PR restack work.

7 changes: 5 additions & 2 deletions
package.json

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -18,7 +18,7 @@
 "typecheck": "npm run typecheck --workspaces --if-present",
 "test": "npm run test:scripts && npm --workspace @maka/core test && npm --workspace @maka/storage test && npm --workspace @maka/runtime test && npm --workspace @maka/computer-use test && npm --workspace @maka/headless test && npm --workspace maka-agent test && npm --workspace @maka/ui test && npm --workspace @maka/desktop test",
 "test:dist": "npm run test:scripts && npm exec -w @maka/core -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/storage -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/runtime -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/computer-use -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/headless -- node ../../scripts/run-headless-tests.mjs && npm exec -w maka-agent -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/ui -- node --test \"dist/**/*.test.js\" && npm --workspace @maka/desktop run test:dist",
 "test:scripts": "node --test scripts/run-headless-tests.test.mjs scripts/sync-model-metadata.test.mjs scripts/cua-driver-provenance.test.mjs scripts/cu-real-e2e-contract.test.mjs scripts/cu-process-restart-e2e-contract.test.mjs scripts/cu-e2e-scenarios.test.mjs scripts/cu-provider-matrix.test.mjs scripts/cu-report-sanitize.test.mjs scripts/cu-real-model-launcher.test.mjs",
 "test:scripts": "node --test scripts/run-headless-tests.test.mjs scripts/sync-model-metadata.test.mjs scripts/cua-driver-provenance.test.mjs scripts/cu-real-e2e-contract.test.mjs scripts/cu-process-restart-e2e-contract.test.mjs scripts/cu-e2e-scenarios.test.mjs scripts/cu-provider-matrix.test.mjs scripts/cu-report-sanitize.test.mjs scripts/cu-real-model-launcher.test.mjs scripts/cu-synthetic-model-scenario-contract.test.mjs scripts/cu-real-function-model-e2e-contract.test.mjs scripts/cu-real-anthropic-model-e2e-contract.test.mjs scripts/cu-real-runtime-model-e2e-contract.test.mjs",
 "dev": "npm --workspace @maka/desktop run dev:hmr --",
 "dev:full": "npm run build && npm --workspace @maka/desktop run start",
 "build": "npm --workspace @maka/core run build && npm --workspace @maka/storage run build && npm --workspace @maka/runtime run build && npm --workspace @maka/computer-use run build && npm --workspace @maka/headless run build && npm --workspace maka-agent run build && npm --workspace @maka/ui run build && npm --workspace @maka/desktop run build",
Expand All@@ -37,7 +37,10 @@
 "e2e:computer-use-real": "node scripts/cu-real-e2e-launcher.mjs",
 "e2e:computer-use-concurrent": "node scripts/cu-real-e2e-launcher.mjs --concurrent-user",
 "e2e:computer-use-process-restart": "node scripts/cu-process-restart-e2e-launcher.mjs",
 "e2e:computer-use-real-model": "node scripts/cu-real-model-launcher.mjs"
 "e2e:computer-use-real-model": "node scripts/cu-real-model-launcher.mjs",
 "e2e:computer-use-function-model": "node scripts/cu-real-function-model-e2e.mjs",
 "e2e:computer-use-real-anthropic": "node scripts/cu-real-anthropic-model-e2e.mjs",
 "e2e:computer-use-real-runtime": "node scripts/cu-real-runtime-model-e2e.mjs"
 },
 "devDependencies": {
 "@types/node": "^25.0.0",
Expand Down
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// Universal Dark Mode - works on any site
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var enabled = true;
function applyDarkMode() {
if (!enabled) return;
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feat(cu): make provider function loops AX-first by hqhq1025 · Pull Request #925 · apache/maka · GitHub
Skip to content
feat(cu): make provider function loops AX-first#925

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4
commits into

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feat(cu): make provider function loops AX-first
#925
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712c140

feat(runtime): add OpenAI computer use loop core


hqhq1025 Jul 13, 2026
971e510

feat(runtime): add OpenAI Responses transport


hqhq1025 Jul 12, 2026
258dba8

feat(cu): fence native provider computer actions


hqhq1025 Jul 13, 2026
07ea4a7

feat(cu): validate provider function model loops


hqhq1025 Jul 13, 2026

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123 changes: 123 additions & 0 deletions
docs/computer-use-model-loop-foundation.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,123 @@
# Computer Use Model-Loop Foundation

## Product Boundary

The primary model path is the provider-neutral `maka_computer` function tool
through `AiSdkBackend`. The model observes an Accessibility tree, then uses
`click_element`, `set_value`, or another semantic action with IDs from that
observation.

This matches the recovered Codex layering:

```text
model function/tool call
 -> Computer Use facade
 -> observed AX element identity
 -> stale-element refetch and uniqueness checks
 -> element executor
 -> AXPick / AXPress / AXValue when supported
 -> synthetic event fallback only inside the native executor
```

Codex does not currently expose a top-level native `computer` tool in the
captured production request. Its deferred Computer Use wrapper exposes the AX
facade. Accessibility-first dispatch happens inside element execution, not by
implicitly turning every model coordinate into an AX element.

## Current Safety Policy

Maka keeps the same separation:

- `maka_computer` is the primary model-facing path;
- semantic element actions and verified AX/CDP value updates are retained;
- coordinate click, scroll, drag, key input, and pixel fallback are described
 as disabled and fail closed;
- the OpenAI native `computer_call` loop is an observation-only experimental
 path by default;
- a whole native action batch is validated before any action executes.

No provider adapter may infer a missing observation ID or silently bind an
action to the current frame.

## Real Provider Results

The local Azure Responses bridge at `127.0.0.1:8538` and coproxy Anthropic
endpoint at `127.0.0.1:8537` were used without persisting credentials or raw
provider responses.

### OpenAI Responses

`gpt-5.6-sol` completed:

```text
list_apps -> observe -> set_value -> verified finish
```

The standalone provider loop completed in four to five turns. The full product
path also passed:

```text
getAIModel
 -> OpenAI Responses model
 -> AiSdkBackend / streamText
 -> ToolRuntime
 -> maka_computer
 -> synthetic AX semantic backend
```

The product path persisted tool calls and results, emitted permission-safe
telemetry, and reached the verified final value.

The same deployment accepted the GA native `computer` tool. Under
observation-only instructions it returned only `screenshot`, and the bounded
transport/codec loop completed the screenshot continuation in two turns.

### Anthropic

`claude-sonnet-4-6` completed the same semantic task through coproxy.

One run omitted `observation_id` from `set_value`. The harness returned a
typed tool error requiring another observation; the model recovered instead
of the executor guessing a frame. This behavior is a required regression
scenario for future provider adapters.

### Kimi and MiniMax

No live Kimi or MiniMax credential is configured on this machine. Their
product paths are covered as hermetic protocol evidence, not real-provider
evidence.

Both `kimi-coding-plan` and `minimax-coding-plan` complete the same multi-step
semantic loop through their exact Anthropic-compatible URL/auth contracts:

```text
getAIModel -> streaming tool_use -> AiSdkBackend -> ToolRuntime
 -> maka_computer -> list_apps -> observe -> set_value -> final response
```

## Provider Schema Findings

OpenAI strict function schemas require every property to be listed in
`required`. Optional fields must be represented as nullable. Because one
function schema serves several action variants, the model can populate known
fields that are irrelevant to the selected action.

The OpenAI adapter therefore:

1. emits all properties as required and nullable;
2. rejects unknown keys and accessor properties;
3. projects only the known keys allowed for the selected action;
4. records discarded non-null keys;
5. passes the projected value to the existing strict action parser.

The core `maka_computer` parser remains strict and provider neutral.

## Non-Claims

This foundation does not:

- enable native OpenAI click, type, scroll, drag, or key execution;
- reconnect a compatibility CGEvent path;
- add the real AppKit AX provider runner (that is the next evidence-layer PR);
- resolve PID reuse, stale driver nodes, or executor lifecycle hardening;
- replace the executor-hardening and stacked-PR restack work.

7 changes: 5 additions & 2 deletions
package.json

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Original file line numberDiff line numberDiff line change
Expand Up@@ -18,7 +18,7 @@
 "typecheck": "npm run typecheck --workspaces --if-present",
 "test": "npm run test:scripts && npm --workspace @maka/core test && npm --workspace @maka/storage test && npm --workspace @maka/runtime test && npm --workspace @maka/computer-use test && npm --workspace @maka/headless test && npm --workspace maka-agent test && npm --workspace @maka/ui test && npm --workspace @maka/desktop test",
 "test:dist": "npm run test:scripts && npm exec -w @maka/core -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/storage -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/runtime -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/computer-use -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/headless -- node ../../scripts/run-headless-tests.mjs && npm exec -w maka-agent -- node --test \"dist/**/*.test.js\" && npm exec -w @maka/ui -- node --test \"dist/**/*.test.js\" && npm --workspace @maka/desktop run test:dist",
 "test:scripts": "node --test scripts/run-headless-tests.test.mjs scripts/sync-model-metadata.test.mjs scripts/cua-driver-provenance.test.mjs scripts/cu-real-e2e-contract.test.mjs scripts/cu-process-restart-e2e-contract.test.mjs scripts/cu-e2e-scenarios.test.mjs scripts/cu-provider-matrix.test.mjs scripts/cu-report-sanitize.test.mjs scripts/cu-real-model-launcher.test.mjs",
 "test:scripts": "node --test scripts/run-headless-tests.test.mjs scripts/sync-model-metadata.test.mjs scripts/cua-driver-provenance.test.mjs scripts/cu-real-e2e-contract.test.mjs scripts/cu-process-restart-e2e-contract.test.mjs scripts/cu-e2e-scenarios.test.mjs scripts/cu-provider-matrix.test.mjs scripts/cu-report-sanitize.test.mjs scripts/cu-real-model-launcher.test.mjs scripts/cu-synthetic-model-scenario-contract.test.mjs scripts/cu-real-function-model-e2e-contract.test.mjs scripts/cu-real-anthropic-model-e2e-contract.test.mjs scripts/cu-real-runtime-model-e2e-contract.test.mjs",
 "dev": "npm --workspace @maka/desktop run dev:hmr --",
 "dev:full": "npm run build && npm --workspace @maka/desktop run start",
 "build": "npm --workspace @maka/core run build && npm --workspace @maka/storage run build && npm --workspace @maka/runtime run build && npm --workspace @maka/computer-use run build && npm --workspace @maka/headless run build && npm --workspace maka-agent run build && npm --workspace @maka/ui run build && npm --workspace @maka/desktop run build",
Expand All@@ -37,7 +37,10 @@
 "e2e:computer-use-real": "node scripts/cu-real-e2e-launcher.mjs",
 "e2e:computer-use-concurrent": "node scripts/cu-real-e2e-launcher.mjs --concurrent-user",
 "e2e:computer-use-process-restart": "node scripts/cu-process-restart-e2e-launcher.mjs",
 "e2e:computer-use-real-model": "node scripts/cu-real-model-launcher.mjs"
 "e2e:computer-use-real-model": "node scripts/cu-real-model-launcher.mjs",
 "e2e:computer-use-function-model": "node scripts/cu-real-function-model-e2e.mjs",
 "e2e:computer-use-real-anthropic": "node scripts/cu-real-anthropic-model-e2e.mjs",
 "e2e:computer-use-real-runtime": "node scripts/cu-real-runtime-model-e2e.mjs"
 },
 "devDependencies": {
 "@types/node": "^25.0.0",
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