[viethqb]

Docs for DG debt Wave 3 part 2: platform #811 (P5b), #812 (P8), #813 (P6), #814 (P9), #815 (P10). All five are merged on platform main (19e41645).

Known issues

• Closed: KI-319 and KI-320 (#814), KI-324 (#815), KI-329, KI-330 and KI-331 (#811).
• Updated: KI-315 stays open as a limitation; credentials now live up to 15 minutes (catalog.sts_token_validity_seconds, default 900). Revocation is still not immediate and the shared key stays. StarRocks after expiry is recorded as not verified.
• New: KI-332, PUT /api/control-plane/engines/{id} moving an engine to another profile bumps the old and new profile in one UPDATE (migration 0187's trigger) in no fixed order (found in #813, not reproduced).
• No existing row covered platform #790 to #792. #813's retryable 409 is described in the intro and on the pages.
• Intro updated.

Pages

• Configuration keys: catalog.sts_token_validity_seconds and its start-up check.
• Catalog detail: Storage credentials follow the grant (15 minutes, the key, cache reuse), view catalog grants follow renames, limits.
• Grants: Renames and drops covers views (new Rename a view) and pattern hand-written policies (new refusal row); KI-319 warnings removed.
• Policy editor, Classifications tagging, Check access, FAQ: KI-319/KI-320 wording replaced.
• Clearance and REST API index: the 409 profile_set_changed (retryable: true), retry.
• Groups: deleting a local group deletes its grants. Members: last ws_admin 409 and deny-only membership.
• Catalog storage errors: 15 minutes.
• Upgrade: notes for #811 to #815 (migration 0212).
• REST reference regenerated from platform main's openapi.json; only the pages these PRs changed are committed (control-plane-catalog, control-plane-tags). The workflow page also differed and is left for its own PR.

Not in this PR

• Screenshots (Wave 4). No existing screenshot shows changed UI. A new shot of the Clearance tab's profile_set_changed alert could be added.
• The username-reuse report and Data API invoke re-grant fixes in #815 are not described in the docs (no page covers those cases), so they are not mentioned.

npm run build passes (en and vi).

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