chore(main): release 0.252.0

[github-actions]

🤖 I have created a release beep boop

0.252.0 (2026-08-05)

Features

• docs: surface release downloads on the website homepage (#1909) (#1910) (4fb6dd6)
• studio: contain every plugin-influenced path recursively (#1942) (#1949) (e733ec5)
• studio: link the Source Control empty state to the desktop downloads (#1926) (#1927) (09777b0)

Bug Fixes

• cli: context-qualify the incoming-calls de-duplication key (#1901) (#1907) (5880b55)
• emit-core: honor an explicit qualifier in event-member and query-criteria/result imports (#1742) (#1954) (8fe32fb)
• emit-core: reconcile a read-model projected field against its declared type (#1889) (#1905) (6e3fe75)
• emit-cs: bind a body-taking-verb query's criteria with FromBody and document it (#1961) (#1965) (ad53750)
• emit-cs: guard the api emitter against duplicate route+verb endpoints (#1744) (#1955) (e737530)
• emit-java: audit cross-context qualifier resolution across call sites (#1727) (#1951) (29c23a3)
• emit-java: stop calling .or()/.orElse() on a non-optional coalesce left operand (#1944) (#1947) (4eb284e)
• emit-php: drop a dead ?? whose left operand can never be null (#1770) (#1935) (9a4bfb0)
• emit-php: fill the ctor slot for a required member a factory leaves unsourced (#1733) (#1922) (3706d44)
• emit-rust: collapse a coalesce whose left operand can never be null (#1946) (#1948) (1903b99)
• emit-rust: deref-bind a Copy-element list's sum/min/max fold projection (#1931) (#1934) (aa01cf4)
• language: skip unmatched type declarations instead of throwing (#1749) (#1921) (d64e9bb)
• semantics: reject a cyclic derived-member chain (KOI0110) (#1767) (#1923) (5bd918d)
• semantics: render scenario conditions through a source-backed AstPrinter (#1752) (#1953) (2899bd2)
• semantics: report a coalesce non-optional when its left operand alone guarantees a value (#1950) (#1959) (a400ca9)
• semantics: report KOI1211 for routes differing only in case or parameter name (#1745) (#1964) (745dd4f)
• semantics: reserve all built-in type names, not just the generics (#1883) (#1956) (353e7b9)
• semantics: resolve a read-model's bare enum member against its declared type (#1908) (d73d651)
• semantics: scope TypeResolver's bare enum-member fallback to the referencing context (#1792) (#1930) (d483ab6)
• studio: ad-hoc sign the macOS bundle so it stops opening as "damaged" (#1914) (54d5fef), closes #1915
• studio: carry the span's file through the Domain navigator's jump-to-declaration seam (#1737) (#1963) (6307d0e)
• studio: sign the macOS bundle and ship the Koine app icon (#1917) (54d5fef)
• tests: re-key FlatModelIndexLookupGuardTests' allowlist on enclosing symbol (#1945) (#1952) (9df918c)

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