Why: U3 of the Generative UI proposal - the agent submits pages through generative-ui.present (exposeAsTool; catalog is prompt and validation in one), a schema-repair strategy absorbs measured M3 deviations, a disabled plugin stops injecting its tool at the owner level (fail-closed) while execution guards stay in surfacesvc, ctxasm projects saved surfaces back into context so the model can revise prior structure (R6), and doc-refs are authorized against the owner real artifacts.
Evidence: Task card carries precheck/task-sync/make test receipts (make evidence, SELF); CI ci/test on PR HEAD is the authoritative gate. Backend PR #149 (6abf112) green incl. PG-dialect suites. Real-model closed loop (env-gated test, run locally): task->spec->save->projection->revise with revision 1->2 and structure change, CNY 0.08 total. U3 acceptance lines covered: structure varies by task (replay), forged refs and unknown actions rejected (red tests), next turn explains and revises prior pages (projection + replay), disable stops capability injection (gate test fail-closed).
Why: U3 of the Generative UI proposal - the agent submits pages through generative-ui.present (exposeAsTool; catalog is prompt and validation in one), a schema-repair strategy absorbs measured M3 deviations, a disabled plugin stops injecting its tool at the owner level (fail-closed) while execution guards stay in surfacesvc, ctxasm projects saved surfaces back into context so the model can revise prior structure (R6), and doc-refs are authorized against the owner real artifacts.
Evidence: Task card carries precheck/task-sync/make test receipts (make evidence, SELF); CI ci/test on PR HEAD is the authoritative gate. Backend PR #149 (6abf112) green incl. PG-dialect suites. Real-model closed loop (env-gated test, run locally): task->spec->save->projection->revise with revision 1->2 and structure change, CNY 0.08 total. U3 acceptance lines covered: structure varies by task (replay), forged refs and unknown actions rejected (red tests), next turn explains and revises prior pages (projection + replay), disable stops capability injection (gate test fail-closed).
Impact: backend gitlink, architecture edge app->genui, task card. U4 (frontend rendering) and deployment stay separately reviewed.
Refs: modules/documents/docs/proposals/2026-10-10-generative-ui-plugin.md (r2 U3); Backend #149; task card feature/generative-ui-u3
Why: establish the authorized task workspace and its initial baseline.
Evidence: preserved precheck receipt in .task/feature-generative-ui-u3.md; R0=b1caa7cae13d35ec6e62c883d1f379aee35e35ef.
Impact: task metadata only; the feature workspace starts at b1caa7cae1.
Refs: .task/feature-generative-ui-u3.md
Why: include the current integration baseline before verification.
Evidence: fetched origin/main=56152323f6179d8f99cfb2b4808573f1d95a63a2.
Impact: integrate upstream changes without rewriting task history.
Refs: task-sync
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Why: U3 of the Generative UI proposal - the agent submits pages through generative-ui.present (exposeAsTool; catalog is prompt and validation in one), a schema-repair strategy absorbs measured M3 deviations, a disabled plugin stops injecting its tool at the owner level (fail-closed) while execution guards stay in surfacesvc, ctxasm projects saved surfaces back into context so the model can revise prior structure (R6), and doc-refs are authorized against the owner real artifacts.
Evidence: Task card carries precheck/task-sync/make test receipts (make evidence, SELF); CI ci/test on PR HEAD is the authoritative gate. Backend PR #149 (6abf112) green incl. PG-dialect suites. Real-model closed loop (env-gated test, run locally): task->spec->save->projection->revise with revision 1->2 and structure change, CNY 0.08 total. U3 acceptance lines covered: structure varies by task (replay), forged refs and unknown actions rejected (red tests), next turn explains and revises prior pages (projection + replay), disable stops capability injection (gate test fail-closed).
Impact: backend gitlink, architecture edge app->genui, task card. U4 (frontend rendering) and deployment stay separately reviewed.
Refs: modules/documents/docs/proposals/2026-10-10-generative-ui-plugin.md (r2 U3); Backend #149; task card feature/generative-ui-u3