fix(collections): 未設定の embed（idField が空）が「レコードが見つかりません」の赤カードになる — 仕様は fail-soft

test(manageSkills): カタログ詳細ペインの外部リンク挙動にテストが無い（#2471 の修正が無防備）

refactor(chat): host StartChatParams を chat-service から extends + chat-service Attachment を protocol に統合

refactor(manageSkills): State レコードと公開インタフェースの Ref フィールド二重列挙(alerts #436/#437)— children 抽出シリーズ完了後に

fix: Docker sandbox MCP server fails on Windows source builds — yarn workspace junctions use absolute paths

Chat UI stops updating mid-turn and thinking indicator stays stuck

feat(collections): add organization/filtering — hard to find collections as the list grows

feat(collections): custom views should pre-project `fields=` to dodge the 200-record refusal; HTTP 400 needs a help affordance

feat: confirm dialog before the collection Contribute (share) button launches the agent

Japanese characters garbled in code blocks on Windows (monospace font fallback)