feat: add executable T4 API v1 contract and SDK#137

Draft

usr-bin-roygbiv wants to merge 70 commits into

LycaonLLC:mainfrom

usr-bin-roygbiv:agent/t4-op03-public-api-contract

Commits on Jul 22, 2026

test: define T4 API v1 client conformance
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feat: define T4 API v1 contract and SDK boundary
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ci: emit T4 API generation artifacts
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build: recover T4 API generation lockfile
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fix: use OpenAPI parser named API
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feat: add generated T4 API v1 types
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fix: typecheck T4 API conformance fixtures
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test: expose T4 API semantic blockers
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fix: enforce T4 API public contract semantics
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build: accept authorized T4 API schema artifact
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test: complete bounded API conformance cases
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test: expose remaining API runtime blockers
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fix: fail closed across public API payloads
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build: accept revised T4 API schema artifact
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fix: select bounded conformance frames
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test: assert bounded consecutive watch retries
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test: cover OP03 fail-closed review contracts
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fix: close OP03 fail-closed review gaps
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build: accept authorized OP03 schema artifact
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fix: enforce exact watch response contract
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fix: close watch retry and body ownership gaps
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test: prove watch media and stream cleanup
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test: align terminal watch protocol assertions
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test: cover Unicode bounds and SSE cancellation
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fix: validate response lengths by code point
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test: cover strict response protocol gaps
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fix: enforce declared response protocol
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test: reject invalid mutations before idempotency
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fix: close strict API contract gaps
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test: type omitted command metadata
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fix: preserve optional generated defaults
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chore: accept authorized API schema artifact
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fix: require API generation in release gate
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test: cover final strict conformance gaps
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fix: validate create and watch contracts
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test: cover final header and precondition parity
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fix: align required response headers
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chore: accept required-header schema artifact
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test(t4-api): cover final strict response gaps
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fix(t4-api): close strict response gaps
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test(t4-api): isolate watch query validation
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test(t4-api): pin leap dates and RFC850 pivot
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fix(t4-api): validate announced leap seconds
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test(t4-api): require declared request media
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fix(t4-api): enforce JSON request media
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test(t4-api): sanitize media fixture keys
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test(t4-api): bound resync session ids
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fix(t4-api): bound resync session ids
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test(t4-api): require truthful mutation contracts
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feat(t4-api): expose truthful mutation contracts
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chore: accept truthful API schema artifact
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test(t4-api): use fixture auth proof
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test(t4-api): reject malformed page cursors
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test(t4-api): reject silent version downgrade
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fix(t4-api): reject invalid cursors and downgrades
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test(t4-api): require issued page cursors
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fix(t4-api): bind issued page cursors
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fix(t4-api): issue unique opaque page cursors
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test(t4-api): reject stale issued cursors
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fix(t4-api): sign scoped page cursors
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test(t4-api): reject noncanonical cursor signatures
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fix(t4-api): require canonical cursor signatures
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test(t4-api): cover every cursor signature alias
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test(t4-api): reject every cursor signature alias
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test(t4-api): avoid needless alias allocation
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test(t4-api): reject oversized snapshots and duplicate cursors
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fix(t4-api): align snapshot and watch cursor bounds
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test(t4-api): cover snapshot boundary and heartbeat cursors
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fix(t4-api): preserve heartbeat cursor semantics
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test(t4-api): model heartbeat cursor liveness
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