chore(main): release 0.251.0

[github-actions]

🤖 I have created a release beep boop

0.251.0 (2026-07-13)

Features

• studio: derive the keybinding conflict-check from the live editor keymap (#431) (#1413) (7f745e7)
• studio: explorer batch — bulk buffers, rebindable keybindings, and five Preact panel migrations (#1416) (a6b087f)
• studio: grow useEditableField with transient-session mode + adopt in ExplorerPanel (#1396) (a6b087f)
• studio: light up Source Control ⋮/caret menus for Discard/Pull/Push/Fetch/Amend/Commit&Push (#1401) (#1453) (2a809bc)
• studio: migrate EventsPanel, GlossaryPanel, RelationshipsPanel to koine-ui via the ReadableStore host-adapter (#1408) (#1458) (431ac92)
• studio: restore per-file DDD-kind tint and line count in the generated tree (#1361) (a6b087f)
• studio: scope + global commands in the rebindable keybindings registry (#432) (a6b087f)
• studio: show workspace-op-gated palette entries as visible-but-disabled (#1407) (#1454) (b5ef514)

Bug Fixes

• ci: disable MSBuild node reuse to stop concurrent-worktree dotnet test deadlocks (#1552) (#1559) (144b2c4)
• ci: eliminate the phantom skipped build-and-test check-run on draft-gated workflows (#1530) (#1546) (73ed156)
• cli: scope WorkspaceIndex.FindReferences by bounded context (#1376) (#1428) (03f9671)
• compiler: declare the ModelNode/ModelMember record API in PublicAPI.Unshipped.txt (#1474) (708f0a7)
• design-sync: carry the --koi-muted WCAG-AA fix into the design source (#1424) (#1441) (af7c24c)
• emit-core: restore shadowed outer bindings via a shared LocalScopeStack in the TS/Python/PHP/Java/Kotlin translators (#1497) (#1532) (608f63f)
• emit-java: alpha-rename a let binding that shadows a live local (#1536) (#1554) (8bdcfbc)
• emit-java: numerically coerce a factory's explicit init against the member's declared type (#1519) (#1540) (13de1fe)
• emit-java: Optional.of-wrap a factory's explicit init of an optional-declared required member (#1518) (fb197f8)
• emit-java: Optional.of-wrap an auto-bound parameter binding to an optional-declared required member (#1480) (#1521) (175ffb9)
• emit-java: preserve Optional-shape when a coalesce's fallback is itself optional-typed (#1520) (#1545) (e127444)
• emit-php: compare entity id by value in equals(), not by PHP object reference (#1377) (#1427) (afaca1b)
• emit-rust: close the five remaining optionality/guard emit gaps (#1510) (8264f87)
• emit-rust: coerce a factory's explicit init of a required numeric member in BuildFactoryCtorArgs (#1438) (#1449) (5e65d35)
• emit-rust: coerce a read-model derived field's numeric type mismatch (#1378) (#1494) (64da45f)
• emit-rust: coerce a transition value toward the target field's declared type (#1511) (#1516) (25e6de7)
• emit-rust: coerce OwnDerived's optional-body numeric mismatch (#1495) (#1509) (15ccbf4)
• emit-rust: entity's optional-declared defaulted member gains a ctor parameter and honors factory init (#1437) (#1459) (79c51f3)
• emit-rust: give PushLocal/PopLocal shadow-stack semantics (#1370) (#1496) (f2183c5)
• emit-rust: map-coerce an Option-typed numerically-mismatched derived/default body in WriteDerived (#1487) (#1490) (3c1edd1)
• emit-rust: map-coerce an Option-typed numerically-mismatched factory-init value in BuildFactoryCtorArgs (#1468) (#1484) (373f9c2)
• emit-rust: map-render WriteUnary's Neg/Not when the operand is itself optional (#1372) (#1499) (ef18497)
• emit-rust: narrow a presence-guarded optional member in a command's invariant re-check (#1489) (#1502) (e1bacd4)
• emit-rust: own a smart-enum String associated-data read instead of cloning a borrowed &str (#1533) (#1555) (459fa80)
• emit-rust: render a non-optional defaulted member as a trailing Option<T> constructor parameter (#1380) (#1429) (3f5568b)
• emit-rust: return optional smart-enum accessors by value instead of by reference (#1508) (8264f87)
• emit-rust: return optional-but-Copy-inner accessors by value (#1373) (#1507) (129ec2f)
• emit-rust: run invariant guards before re-wrapping a defaulted optional member (#1472) (#1488) (30033ce)
• emit-rust: Some-wrap a factory's explicit init of an optional-declared required member (#1452) (#1464) (1a51f15)
• emit-rust: Some-wrap an auto-bound non-optional parameter binding to an optional-declared required member (#1467) (#1476) (cf7aa06)
• emit-rust: Some(...)-wrap result and emit-payload paths toward their target's declared optionality (#1523) (#1539) (8489d3c)
• emit-rust: value object's non-optional-declared defaulted member becomes a trailing Option<T> constructor parameter (#1436) (#1455) (a0684b4)
• emit-rust: value object's optional-declared defaulted member gains a ctor parameter (#1463) (#1469) (c0d1db7)
• emit-ts: map-widen a guard-narrowed optional Decimal operand in Decimal arithmetic (#1557) (#1562) (adcb342)
• emit-ts: widen an Int operand to Decimal in Decimal arithmetic (#1537) (#1553) (5a75e8c)
• language: report a let expression with a missing body instead of crashing (#1512) (#1514) (e583e9c)
• semantics: suppress redundant outer diagnostics for an already-reported nested mismatch (#1525) (#1549) (8972253)
• semantics: validate Neg/Not operand types instead of accepting anything (#1501) (#1517) (aa5924c)
• semantics: validate unknown member access on Enum receivers and block the Rust EffectiveScope shadow fallthrough (#1498) (#1529) (6170bce)
• skills: flatten paginated comments before selecting the latest plan comment (#1544) (#1550) (bd419cd)
• skills: gate merge-pr on failed/pending checks, not on build-and-test success (#1535) (#1541) (7c95069)
• studio: adopt mid-edit external committedValue on cancel in useCommittableField (#1398) (#1446) (692ec8c)
• studio: align the settings gear with the right-rail icons and seat the rail on a 36px grid (#1426) (efebb86)
• studio: deflake the Source Control header-actions portal test in inspectorController.test.ts (#1448) (#1466) (4caaca4)
• studio: guard the async recents branch capture against reorder/resurrect (#1016) (a6b087f)
• studio: guard the domain-index and model-index caches against a stale-build TOCTOU race (#1447) (#1456) (5e419c3)
• studio: lighten --koi-muted to meet WCAG AA contrast on dark card surfaces (#991) (a6b087f)
• studio: parse git_status porcelain v2 with -z so quoted paths round-trip (#1400) (#1430) (112e81d)
• studio: remove untracked directory rows on Discard via pathspec-scoped git clean -d (#1399) (#1461) (f0f2c25)
• studio: render real glossary text instead of [object Object] in GlossaryPanel (#1470) (#1473) (9a5643b)
• studio: route saveProjectToDisk through the locked openWorkspace facade (#1404) (#1460) (913beea)
• studio: seat the collapsed left navigator spine on the right rail's 36px grid (#1435) (89250b6)
• studio: show an untracked directory row's folder name instead of a blank primary label (#1462) (#1465) (e69a903)
• studio: strip literal NUL bytes from modelTables.ts (#1384) (#1524) (071fbdf)
• studio: use lang-json in the JSON view and quiet expected error-path test logs (#1475) (af0b57f)
• website: adapt blog/rss.xml.ts to starlight-blog 0.28's prefix-required RSS handler (#1431) (#1434) (363b64e)

Performance Improvements

• emit-core: infer each ConditionalExpr branch's type once in Java/Kotlin/TypeScript/Python (#1369) (#1482) (8eca379)
• studio: bulk buffer-set → O(N) workspace open/teardown (#1012) (a6b087f)
• studio: seed the Domain navigator's first-mount fetch (#1397) (#1450) (c31f4c2)
• studio: share the in-flight glossaryModel fetch with buildDomainIndex (#1405) (#1444) (7b4efb0)
• studio: unmount the StoreInspector overlay when hidden (#1395) (#1445) (f7fbd02)

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