feat(cloud-sdk): Spring AI + LangChain4j auto-instrumentation + Spring Boot starter (Phase 1.8 + 1.9)#1

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feat/cloud-sdk-auto-instrumentation

May 6, 2026

Commits on May 6, 2026

feat(instrumentation): JamjetObservationHandler for Spring AI
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feat(instrumentation): JamjetChatModelListener for LangChain4j
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build: add jamjet-cloud-spring-boot-starter module skeleton
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feat(starter): JamjetCloudProperties (jamjet.cloud.* binding)
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feat(starter): auto-config for Spring AI + LangChain4j instrumentation
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feat(starter): BPP that wires JamjetChatModelListener into ChatLanguageModel beans
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test(starter): U6 — context starts cleanly without LLM libs on classpath
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test(instrumentation): I2 — LangChain4j manual wiring emits llm_call span via WireMock
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docs: README install snippet for jamjet-cloud-spring-boot-starter
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release: 0.2.0 — Spring AI + LangChain4j auto-instrumentation
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release: bump sibling module parent refs to 0.2.0
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