Lataa jaeger 2.21.0

### Backend Changes

#### ⛔ Breaking Changes

• Feat(query)!：remove v1 http endpoints the ui no longer calls ([@ysh-bot](https://github.com/ysh-bot) in [#9260](https://github.com/jaegertracing/jaeger/pull/9260))
• Replace ai.enable_mcp with an optional ai.mcp config block ([@SoumyaRaikwar](https://github.com/SoumyaRaikwar) in [#9194](https://github.com/jaegertracing/jaeger/pull/9194))
• Fix(es)：reject five unsupported elasticsearch config keys at startup ([@ysh-bot](https://github.com/ysh-bot) in [#9076](https://github.com/jaegertracing/jaeger/pull/9076))
• Feat(clickhouse)：promote clickhouse storage feature gate to stable ([@ysh-bot](https://github.com/ysh-bot) in [#9058](https://github.com/jaegertracing/jaeger/pull/9058))

#### ✨ New Features

• Feat(mcp)：let search_traces omit the service name ([@ysh-bot](https://github.com/ysh-bot) in [#9262](https://github.com/jaegertracing/jaeger/pull/9262))
• Feat(storage)：let backends declare that search can omit the service name ([@ysh-bot](https://github.com/ysh-bot) in [#9256](https://github.com/jaegertracing/jaeger/pull/9256))

#### 🐞 Bug fixes, Minor Improvements

• Fix(memory)：match unset-status spans in error=false trace search ([@hharshhsaini](https://github.com/hharshhsaini) in [#9096](https://github.com/jaegertracing/jaeger/pull/9096))
• Fix(anonymizer)：register the gogo codec ([@DsThakurRawat](https://github.com/DsThakurRawat) in [#9540](https://github.com/jaegertracing/jaeger/pull/9540))
• Fix(release)：paginate the commits query in the release notes script ([@ysh-bot](https://github.com/ysh-bot) in [#9560](https://github.com/jaegertracing/jaeger/pull/9560))
• Fix(release)：fail the release notes script on PRs that cannot be categorized ([@ysh-bot](https://github.com/ysh-bot) in [#9561](https://github.com/jaegertracing/jaeger/pull/9561))
• Fix(es)：surface failed _msearch items instead of dropping traces silently ([@hharshhsaini](https://github.com/hharshhsaini) in [#9008](https://github.com/jaegertracing/jaeger/pull/9008))
• Feat(featuregate)：normalize Jaeger gate names ([@maindevhoon](https://github.com/maindevhoon) in [#9037](https://github.com/jaegertracing/jaeger/pull/9037))
• Fix(mcp)：use inclusive bound for critical path child search ([@Harizz076](https://github.com/Harizz076) in [#9174](https://github.com/jaegertracing/jaeger/pull/9174))
• Feat(es)：accept --feature-gates in esmapping-generator and es-rollover init ([@ysh-bot](https://github.com/ysh-bot) in [#9546](https://github.com/jaegertracing/jaeger/pull/9546))
• Fix(anonymizer)：read the writer's zero-span capture without panicking ([@DsThakurRawat](https://github.com/DsThakurRawat) in [#9528](https://github.com/jaegertracing/jaeger/pull/9528))
• Validate targetsamplespersecond is positive ([@Atul-Koundal](https://github.com/Atul-Koundal) in [#9379](https://github.com/jaegertracing/jaeger/pull/9379))
• Fix(es-index-cleaner)：quote index prefix in index name pattern ([@DsThakurRawat](https://github.com/DsThakurRawat) in [#9525](https://github.com/jaegertracing/jaeger/pull/9525))
• Feat(es)：add optional index.mapping.total_fields.limit to the span index template ([@zarna1parekh](https://github.com/zarna1parekh) in [#9523](https://github.com/jaegertracing/jaeger/pull/9523))
• Fix(mcp)：respect search_depth when maxresults is unlimited (0) ([@shashankvarma499](https://github.com/shashankvarma499) in [#9517](https://github.com/jaegertracing/jaeger/pull/9517))
• Es tracestore：set flags("none") on tag regexpquery (#9387) ([@SHIVANSH-ux-ys](https://github.com/SHIVANSH-ux-ys) in [#9454](https://github.com/jaegertracing/jaeger/pull/9454))
• Fix(query)：cap searchdepth at 10000 and reject negatives ([@jkowall](https://github.com/jkowall) in [#9492](https://github.com/jaegertracing/jaeger/pull/9492))
• Fix(security)：clear open codeql and scorecard token-permission alerts ([@jkowall](https://github.com/jkowall) in [#9488](https://github.com/jaegertracing/jaeger/pull/9488))
• Fix(otel-demo)：upgrade opensearch to 3.7.0 ([@jkowall](https://github.com/jkowall) in [#9397](https://github.com/jaegertracing/jaeger/pull/9397))
• Fix(es)：clear the span writer's service cache in purge ([@ysh-bot](https://github.com/ysh-bot) in [#9416](https://github.com/jaegertracing/jaeger/pull/9416))
• Fix(storage)：remove the duplicate otelgrpc handler on the storage client ([@ysh-bot](https://github.com/ysh-bot) in [#9417](https://github.com/jaegertracing/jaeger/pull/9417))
• Fix(telemetry)：trace the jaeger_storage extension ([@ysh-bot](https://github.com/ysh-bot) in [#9414](https://github.com/jaegertracing/jaeger/pull/9414))
• Fix(otel-demo)：harden dashboards rollout diagnostics ([@jkowall](https://github.com/jkowall) in [#9393](https://github.com/jaegertracing/jaeger/pull/9393))
• Fix(query)：name server spans after the route when middleware copies the request ([@ysh-bot](https://github.com/ysh-bot) in [#9406](https://github.com/jaegertracing/jaeger/pull/9406))
• Fix(es)：bound service and operation query lookback ([@ekagra1602](https://github.com/ekagra1602) in [#9400](https://github.com/jaegertracing/jaeger/pull/9400))
• Fix(mcp)：cap read_skill output at max_read_file_size ([@CedricConday](https://github.com/CedricConday) in [#8993](https://github.com/jaegertracing/jaeger/pull/8993))
• [query] add erraccessdenied sentinel for query interceptor access-control errors ([@rishabhkumar92](https://github.com/rishabhkumar92) in [#9402](https://github.com/jaegertracing/jaeger/pull/9402))
• Fix(storage)：remove http status heuristics ([@HESleagacy](https://github.com/HESleagacy) in [#9386](https://github.com/jaegertracing/jaeger/pull/9386))
• Feat(ai-gateway)：send configurable headers on the acp agent handshake ([@SoumyaRaikwar](https://github.com/SoumyaRaikwar) in [#9395](https://github.com/jaegertracing/jaeger/pull/9395))
• Fix(query)：default search_depth in api_v3 grpc handler ([@vyncint](https://github.com/vyncint) in [#9100](https://github.com/jaegertracing/jaeger/pull/9100))
• Feat(mcptools)：add gen_ai.tool.call.arguments/result to the gateway's mcp tool-call span ([@SoumyaRaikwar](https://github.com/SoumyaRaikwar) in [#9304](https://github.com/jaegertracing/jaeger/pull/9304))
• Fix(clickhouse)：apply config defaults at unmarshal so explicit zeros survive ([@ysh-bot](https://github.com/ysh-bot) in [#9345](https://github.com/jaegertracing/jaeger/pull/9345))
• Fix(otel-demo)：expand opensearch volume online ([@jkowall](https://github.com/jkowall) in [#9315](https://github.com/jaegertracing/jaeger/pull/9315))
• Fix(otel-demo)：allow explicit opensearch recovery waiver ([@jkowall](https://github.com/jkowall) in [#9313](https://github.com/jaegertracing/jaeger/pull/9313))
• Fix(ai-gateway)：preserve message boundaries when reading acp over websocket ([@SoumyaRaikwar](https://github.com/SoumyaRaikwar) in [#9296](https://github.com/jaegertracing/jaeger/pull/9296))
• Fix(otel-demo)：add tested opensearch recovery gate ([@jkowall](https://github.com/jkowall) in [#9306](https://github.com/jaegertracing/jaeger/pull/9306))
• Feat(jaeger)：expose default component factories via jaegercli.components ([@iammdzaidalam](https://github.com/iammdzaidalam) in [#9073](https://github.com/jaegertracing/jaeger/pull/9073))
• Fix(jaeger)：exclude e2e-only storage_cleaner from the production binary ([@ysh-bot](https://github.com/ysh-bot) in [#9300](https://github.com/jaegertracing/jaeger/pull/9300))
• Feat(storage)：let remote storage report its search capabilities ([@ysh-bot](https://github.com/ysh-bot) in [#9269](https://github.com/jaegertracing/jaeger/pull/9269))
• Fix(examples)：add an otel collector startup probe ([@jkowall](https://github.com/jkowall) in [#9257](https://github.com/jaegertracing/jaeger/pull/9257))
• Fix(memory)：return copies of stored traces, not references ([@ysh-bot](https://github.com/ysh-bot) in [#9261](https://github.com/jaegertracing/jaeger/pull/9261))
• Feat(query)：reject a search the storage backend cannot serve ([@ysh-bot](https://github.com/ysh-bot) in [#9259](https://github.com/jaegertracing/jaeger/pull/9259))
• Fix(examples)：pin the otel demo chart ([@jkowall](https://github.com/jkowall) in [#9245](https://github.com/jaegertracing/jaeger/pull/9245))
• Fix(es)：return non-error traces for error=false search ([@hharshhsaini](https://github.com/hharshhsaini) in [#9210](https://github.com/jaegertracing/jaeger/pull/9210))
• Fix(apiv3)：return notfound for missing trace ([@ADITYA-CODE-SOURCE](https://github.com/ADITYA-CODE-SOURCE) in [#9151](https://github.com/jaegertracing/jaeger/pull/9151))
• Feat(jaegerai)：add gen_ai.tool.call.arguments/result to sidecar tool-call spans ([@SoumyaRaikwar](https://github.com/SoumyaRaikwar) in [#9011](https://github.com/jaegertracing/jaeger/pull/9011))
• Feat(es)：add optional poison-pill drop for synchronous writes ([@ysh-bot](https://github.com/ysh-bot) in [#9109](https://github.com/jaegertracing/jaeger/pull/9109))
• Feat(es)：warn on misaligned synchronous-write batch sizing ([@ysh-bot](https://github.com/ysh-bot) in [#9098](https://github.com/jaegertracing/jaeger/pull/9098))
• Feat(es)：add deterministic content-hash _id for idempotent span writes ([@ysh-bot](https://github.com/ysh-bot) in [#9094](https://github.com/jaegertracing/jaeger/pull/9094))
• Fix(es)：add spanid tie-breaker to trace-read search_after pagination ([@hharshhsaini](https://github.com/hharshhsaini) in [#9063](https://github.com/jaegertracing/jaeger/pull/9063))
• Feat(query)：return a context from query interceptor hooks ([@ysh-bot](https://github.com/ysh-bot) in [#9082](https://github.com/jaegertracing/jaeger/pull/9082))
• Fix(elasticsearch)：use post instead of get for _msearch requests ([@magic-peach](https://github.com/magic-peach) in [#9027](https://github.com/jaegertracing/jaeger/pull/9027))
• Feat(es)：rewire sniffing.enabled and log_level onto the esclient transport ([@ysh-bot](https://github.com/ysh-bot) in [#9077](https://github.com/jaegertracing/jaeger/pull/9077))
• Fix(es)：restore gzi