chore: establish local platform baseline

2026-08-26 06:41:54 +08:00
commit 29bdf4900f
575 changed files with 95644 additions and 0 deletions
@@ -0,0 +1,18 @@
+BEGIN;
+
+ALTER TABLE context_snapshot
+    ADD COLUMN preparation_status varchar(16) NOT NULL DEFAULT 'READY',
+    ADD COLUMN preparation_failure_code varchar(80),
+    ADD CONSTRAINT context_snapshot_preparation_status_check
+        CHECK (preparation_status IN ('READY', 'FAILED')),
+    ADD CONSTRAINT context_snapshot_preparation_failure_check
+        CHECK (
+            (preparation_status = 'READY' AND preparation_failure_code IS NULL)
+            OR
+            (preparation_status = 'FAILED' AND NULLIF(btrim(preparation_failure_code), '') IS NOT NULL)
+        );
+
+COMMENT ON COLUMN context_snapshot.preparation_status IS
+    'Whether the authorized context was prepared. FAILED snapshots retain only a sanitized diagnostic result.';
+
+COMMIT;