chore(main): release 0.18.0

[github-actions]

🤖 I have created a release beep boop

0.18.0 (2026-06-10)

Features

• add .gitattributes to enforce LF line endings (#1550) (1c27957)
• enable HISTORY_SNIP — model-callable snip tool for context management (#1407) (cdc8057)
• extend --fallback-model to interactive REPL sessions (#1346) (#1419) (14e5a41)
• github: expose all 21 Copilot models with context window metadata (#822) (#1535) (1e8c1ac)
• goal: add session-scoped /goal continuation (#1293) (102cc30)
• opengateway: surface the gateway's "auto" smart-routing model in /model (#1588) (5040c49)
• provider: add Atlas Cloud as official OpenAI-compatible provider (#1585) (5b01c2b)

Bug Fixes

• add error context to silent catches and debugger detection (#1479) (e9b211a)
• agent-routing: support API model aliases (#1546) (9a342b6)
• api: honor OpenAI-compatible retry classification (#1547) (f1013df)
• api: retry once with provider-capped max_tokens (#1235) (edabf33)
• claudemd: gate User-scope external @include behind hasClaudeMdEx… (#1223) (fde7aa0)
• context: avoid noisy metadata fallback errors (#1544) (12cbe92)
• mcp: fail-closed on token count error + respect maxChars budget (#1113) (bd8c6b1)
• mcp: pass MCP stdio server args as separate array elements to pr… (#1222) (0d4e247)
• openai-shim: guarantee reasoning_content continuity for DeepSeek… (#1228) (d67c6d7)
• openai-shim: include text for image-only user content (#1410) (7c05453)
• provider: preserve explicit startup env (#1560) (754cb61)
• replace codex input_text with standard text type in generic resp (#1449) (be05594)
• typecheck: add MCP component view types (#1564) (548bffc)
• typecheck: add missing type aliases to message and tools stubs (#1510) (ea75a51)
• typecheck: add missing xai entry to deprecation retirement date maps (#1509) (1d90960), closes #1486
• typecheck: add plugin command view types (#1565) (fc0a4b5)
• typecheck: add proper type parameters to useState(null) hooks (#1513) (0e30ee8), closes #1486
• typecheck: add wizard agent creation types (#1566) (65034db)
• typecheck: annotate diff rendering props (#1568) (e53d612)
• typecheck: declare bundled markdown and macro fields (#1562) (5c239eb)
• typecheck: declare Ink JSX intrinsics (#1571) (38b2d83)
• typecheck: declare optional native modules (#1563) (f129dd0)
• typecheck: import bun test helpers in truncate test (#1520) (8527a04)
• typecheck: narrow remote agent SDK logs (#1573) (7727a9f)
• typecheck: recreate missing FeedbackSurvey utils (#1580) (62c2c5b)
• typecheck: recreate missing Spinner types (#1579) (553342c)
• typecheck: replace dead-code literal comparisons with isAntEmployee() (#1512) (7078853)
• typecheck: restore control protocol type exports (#1497) (3a308c1)
• typecheck: tighten permission rule UI types (#1567) (6ee24f7)
• typecheck: type beta header accumulator (#1516) (a692fca)
• typecheck: type cache-busted credential tests (#1525) (9e942da)
• typecheck: type Doctor screen state (#1522) (6cb3493)
• typecheck: type FileWrite rejection state (#1574) (fba949c)
• typecheck: type Grove dialog state (#1521) (f726685)
• typecheck: type gRPC stream messages (#1572) (c2cc6ed)
• typecheck: type MCP doctor test fixtures (#1527) (38c0fe4)
• typecheck: type MCP XAA auth storage (#1570) (bf2d540)
• typecheck: type provider diagnostic tests (#1517) (ebf38f7)
• typecheck: type secure storage command output (#1524) (8c2f585)
• typecheck: type session storage test fixtures (#1526) (491985a)
• typecheck: type stats dialog state (#1569) (499c702)
• typecheck: type tool test fixtures (#1518) (ddf9282)

Performance Improvements

• attachments: skip skill listings for utility forks (#1545) (2bed184)

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[github-actions]

🤖 Created releases:

• v0.18.0

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