feat(java): expand static HTTP consumer extraction coverage

[ShiningXu]

Summary

Refs #1873 for the Java-only static cases covered here.

• support fully-qualified Spring and OpenFeign annotations
• preserve @RequestMapping prefixes on non-Feign Spring controller interfaces
• extract static URI.create(...) and literal UriComponentsBuilder paths in RestTemplate calls, including fromUriString(...), fromHttpUrl(...), and query-only intermediate calls
• extract WebClient method(HttpMethod.X).uri(...) long-form calls, aligned with Kotlin PR feat(group): add Kotlin Spring WebClient long-form HTTP consumer extraction #1884 boundaries: no double emit, no variable-bound verb guessing, and only GET/POST/PUT/DELETE/PATCH long-form verbs
• infer OkHttp verbs from sibling builder calls such as .get(), .head(), .post(...), .delete(), and .method("PATCH", ...)
• cover Java HttpClient helper methods including HEAD() plus .method("PATCH", ...) and default GET builders

Deferred

• dynamic variable URLs, constants, string concatenation, @Value, helper/wrapper methods, and cross-statement data-flow remain deferred
• Kotlin changes are intentionally out of scope

Validation

• npx vitest run test/unit/group/http-route-extractor.test.ts
• npx vitest run test/unit/group
• npx tsc --noEmit
• npx prettier --check src/core/group/extractors/http-patterns/java.ts test/unit/group/http-route-extractor.test.ts
• npx eslint src/core/group/extractors/http-patterns/java.ts test/unit/group/http-route-extractor.test.ts (warnings only from existing non-null assertions in the test file)
• git diff --check
• ./gitnexus/dist/cli/index.js detect-changes --scope unstaged --repo GitNexus

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[ShiningXu]

Update summary for the latest Java-only additions:

• Spring/OpenFeign annotations now support fully-qualified names, including fully-qualified @FeignClient, @RequestMapping, and method mapping annotations.
• Non-Feign Spring controller interfaces now keep interface-level @RequestMapping prefixes and still emit provider contracts, not consumers.
• RestTemplate static URL extraction now covers literal strings, URI.create(...), and literal UriComponentsBuilder chains, including fromPath(...), fromUriString(...), fromHttpUrl(...), path(...), pathSegment(...), and query-only intermediate calls.
• WebClient long-form extraction now covers webClient.method(HttpMethod.X).uri(...) for GET/POST/PUT/DELETE/PATCH and is aligned with Kotlin PR feat(group): add Kotlin Spring WebClient long-form HTTP consumer extraction #1884 boundaries: no double emit, no variable-bound verb guessing, and unsupported enum verbs are skipped.
• OkHttp builder extraction now infers .get(), .head(), .post(...), .put(...), .delete(), .patch(...), and .method("VERB", ...) from sibling builder calls instead of defaulting every request to GET.
• Java HttpClient extraction now covers helper methods GET/POST/PUT/DELETE/HEAD, default GET builders, and .method("PATCH", ...) / other literal custom methods.
• Added negative coverage for dynamic variable URL arguments so source-scan still skips non-static URL expressions.

Still intentionally deferred for #1873 follow-up scope: dynamic variable URLs, constants/string concatenation/@Value, helper or wrapper methods, cross-statement data-flow, and Kotlin parity beyond the separate Kotlin PR.

[github-actions]

CI Report

✅ All checks passed

Pipeline Status

Stage	Status	Details
✅ Typecheck	success	tsc --noEmit
✅ Tests	success	unit tests, 3 platforms
✅ E2E	success	gitnexus-web changes only

Test Results

Tests	Passed	Failed	Skipped	Duration
10062	10058	0	4	599s

✅ All 10058 tests passed

4 test(s) skipped — expand for details

• PHP pipeline benchmark > scales with file count (workers enabled)
• Ruby pipeline benchmark > scales with file count (workers enabled)
• Rust pipeline benchmark > scales with file count (workers enabled)
• buildTypeEnv > known limitations (documented skip tests) > Ruby block parameter: users.each { |user| } — closure param inference, different feature

Code Coverage

Tests

Metric	Coverage	Covered	Base	Delta	Status
Statements	79.83%	35375/44308	79.48%	📈 +0.3	🟢 ███████████████░░░░░
Branches	68.4%	22583/33016	68%	📈 +0.4	🟢 █████████████░░░░░░░
Functions	84.86%	3650/4301	84.56%	📈 +0.3	🟢 ████████████████░░░░
Lines	83.4%	31870/38211	82.97%	📈 +0.4	🟢 ████████████████░░░░

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