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feat(coder): meter bridge-default key against free MIND allotment - #17
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…ment The coder's "env-fallback" path (shared bridge OPENROUTER_API_KEY) now spends a user's free MIND allotment from the mind-node ledger: it gates a run on the owner's balance and debits a flat price on success. A user on their own key (source "user-pref") is never metered; with the ledger off (no MIND_NODE_URL / MIND_OPERATOR_TOKEN env), env-fallback runs unmetered exactly as before. - src/lib/ledger/client.ts — server-only operator client (getBalance, debit) - src/lib/ledger/policy.ts — pure gateEnvFallback decision (unit-tested) - coder driver — gate before run (block with "add your key" at 0), debit once on a successful run (failed/late debit never fails the user after the fact) - GET /api/profile/ai — returns freeBalance so the builder can show it Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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What
Meters the coder's bridge-default (
env-fallback, sharedOPENROUTER_API_KEY) runs against a user's free MIND allotment in the mind-node ledger. BYOK runs (user-pref) and the ledger-off case are unchanged.How
src/lib/ledger/client.ts— server-only operator client (getBalance,debit) over mind-node/.admin/tokens*.src/lib/ledger/policy.ts— puregateEnvFallback: ledger off → allow unmetered; balance spent → block; has/unknown balance → allow + meter (fail open on a ledger outage).drivers/coder.ts) — gates an env-fallback run on the owner's balance (blocks at 0 with "connect your own key at /profile/ai-providers"), then debits once on a successful run. A failed/late debit never fails the user after the work is done.GET /api/profile/ai— returnsfreeBalanceso the Builder UI can show remaining MIND.Rollout (safe, env-gated)
Unset
MIND_NODE_URL/MIND_OPERATOR_TOKEN⇒ no metering, today's behavior. Depends on mind-nodePOST /.admin/tokens/debit(MIND-Studio/mind-node#9).Tested
vitest run tests/ledger-gate.test.ts— 4/4 (gate decision matrix).tsc --noEmitclean.🤖 Generated with Claude Code