docs: formalize release workflow and frontend layout guardrails

docs/CHANGELOG.md

@@ -7,34 +7,22 @@ This project follows the repository versioning rule:
 - `feature` -> `+0.1.0`
 - `bugfix` -> `+0.0.1`
 
-## 0.24.5
+## 0.24.7
 
 Released: 2026-04-10
 
 ### Highlights
 
-- Turned the first BGP AI brief flow into a persistent operator-facing feature with saved Markdown history, tabbed review, and backend-driven fact assembly, while also cutting BGP page load cost by switching the hottest routes away from Python-side full-table scans.
+- Formalized repository release hygiene and frontend layout guardrails so repeated versioning chores and recurring layout regressions now have explicit repo-level rules instead of living only in conversation context.
 
 ### Added
 
-- Added [backend/app/services/bgp_ai_brief.py](/home/ray/dev/linkong/planet/backend/app/services/bgp_ai_brief.py), building evidence-first BGP brief prompts from incidents, anomalies, observations, and collector coverage instead of relying on manual Playground inputs.
-- Added [backend/app/services/bgp_ai_brief_store.py](/home/ray/dev/linkong/planet/backend/app/services/bgp_ai_brief_store.py), persisting generated BGP AI briefs as Markdown files and exposing a stable record shape for history browsing.
-- Added [frontend/src/components/MarkdownRenderer/MarkdownRenderer.tsx](/home/ray/dev/linkong/planet/frontend/src/components/MarkdownRenderer/MarkdownRenderer.tsx), giving the frontend a lightweight built-in Markdown renderer for saved AI brief content without introducing a new dependency.
-- Added [backend/app/api/v1/bgp.py](/home/ray/dev/linkong/planet/backend/app/api/v1/bgp.py) `GET /bgp/overview/summary`, consolidating the BGP overview summary hot path into a dedicated aggregate endpoint for the BGP workspace.
+- Added [release-workflow/SKILL.md](/home/ray/dev/linkong/planet/.codex/skills/release-workflow/SKILL.md), defining the repository release workflow for version bumps, changelog/version-history updates, minimal validation, and commit/push sequencing.
 
 ### Improved
 
-- Improved [backend/app/api/v1/ai.py](/home/ray/dev/linkong/planet/backend/app/api/v1/ai.py) and [backend/app/schemas/ai.py](/home/ray/dev/linkong/planet/backend/app/schemas/ai.py) by extending the AI API from one-off analysis calls to saved BGP brief history endpoints, latest-brief lookup, and persisted brief responses.
-- Improved [frontend/src/pages/BGP/BGP.tsx](/home/ray/dev/linkong/planet/frontend/src/pages/BGP/BGP.tsx) by moving `AI 简报` into the trailing tab, loading tab data lazily, loading brief history only on demand, and wiring saved brief selection plus regeneration into the operator workflow.
-- Improved [frontend/src/services/situational-awareness/http-gateway.ts](/home/ray/dev/linkong/planet/frontend/src/services/situational-awareness/http-gateway.ts), [frontend/src/services/situational-awareness/port.ts](/home/ray/dev/linkong/planet/frontend/src/services/situational-awareness/port.ts), [frontend/src/services/situational-awareness/mock-gateway.ts](/home/ray/dev/linkong/planet/frontend/src/services/situational-awareness/mock-gateway.ts), and [frontend/src/services/situational-awareness/types.ts](/home/ray/dev/linkong/planet/frontend/src/services/situational-awareness/types.ts) by splitting BGP summary, list, and brief-history fetches into more granular gateway methods and de-duplicating in-flight requests on the hot path.
-- Improved [frontend/src/index.css](/home/ray/dev/linkong/planet/frontend/src/index.css) by styling the saved BGP brief workspace, Markdown output, history selector, and responsive compact state without re-breaking tab switching.
-- Improved [backend/app/services/bgp_collectors.py](/home/ray/dev/linkong/planet/backend/app/services/bgp_collectors.py) by replacing full-table ORM loading with database-side collector aggregation, latest-record lookup, and top-event summarization for the collector coverage hot path.
-
-### Fixed
-
-- Fixed the BGP tab rendering regression in [frontend/src/index.css](/home/ray/dev/linkong/planet/frontend/src/index.css) where forcing tab panes to `display: flex` accidentally kept hidden panes visible and made the first tab look permanently locked.
-- Fixed [backend/app/api/v1/bgp.py](/home/ray/dev/linkong/planet/backend/app/api/v1/bgp.py) so `events`, `anomalies`, and `incidents` no longer fetch whole tables into Python just to apply filtering, pagination, and counting.
-- Fixed the repository workflow around saved BGP brief artifacts by ignoring [data/ai/bgp-briefs/](/home/ray/dev/linkong/planet/data/ai/bgp-briefs/) in [.gitignore](/home/ray/dev/linkong/planet/.gitignore) instead of leaving runtime Markdown output to pollute git status during normal operator use.
+- Improved [rules.md](/home/ray/dev/linkong/planet/rules.md) by adding mandatory release-workflow requirements and a new frontend layout constraint section covering single-screen workspaces, overflow ownership, tab-pane behavior, compact-mode expectations, and readable-card fallbacks.
+- Improved [frontend-layout-guidelines.md](/home/ray/dev/linkong/planet/docs/frontend-layout-guidelines.md) by summarizing the recurring Earth, Playground, BGP, and admin-layout regressions into concrete constraints for future frontend work, including “prefer scrollbars over unreadable compression” and “do not treat every tab as a table pane.”
 
 ## 0.24.6