feat(page-data): add validation suggestions, repair path, and thinking fixes

Map Page Data failure codes to Chinese remediation hints, trigger one-shot
goosed repair for remediable cases, and recover poisoned thinking sessions.
Route local DeepSeek through the no-think proxy via host.docker.internal so
tool rounds no longer hit reasoning_content 400; document gate and case-study
scenarios for event registration repair.

Co-authored-by: Cursor <cursoragent@cursor.com>

deploy/orchestrator/compose.yaml

@@ -54,6 +54,9 @@ services:
     image: memind/workflow-orchestrator:local
     restart: unless-stopped
     command: ["node", "worker.mjs"]
+    # Image HEALTHCHECK probes orchestrator :8093; worker has no HTTP listener.
+    healthcheck:
+      disable: true
     depends_on:
       orchestrator:
         condition: service_started
@@ -64,6 +67,8 @@ services:
       MEMIND_EXECUTOR_WORKER_ID: ${MEMIND_EXECUTOR_GOOSED_WORKER_ID:-colima-goosed-1}
       MEMIND_EXECUTOR_GOOSED_URL: ${MEMIND_EXECUTOR_GOOSED_URL:-https://host.docker.internal:18006}
       MEMIND_EXECUTOR_GOOSED_TOKEN: ${MEMIND_EXECUTOR_GOOSED_TOKEN:-}
+      MEMIND_EXECUTOR_GOOSED_PROVIDER: ${MEMIND_EXECUTOR_GOOSED_PROVIDER:-}
+      MEMIND_EXECUTOR_GOOSED_MODEL: ${MEMIND_EXECUTOR_GOOSED_MODEL:-}
       MEMIND_EXECUTOR_ALLOW_REMOTE_GOOSED: "1"
       MEMIND_EXECUTOR_GOOSED_TLS_INSECURE: ${MEMIND_EXECUTOR_GOOSED_TLS_INSECURE:-1}
       MEMIND_EXECUTOR_WORKSPACE_ALIASES_JSON: ${MEMIND_EXECUTOR_WORKSPACE_ALIASES_JSON:-{}}