dangernoodle-io / breadboard / 27454092506

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fix(bb_pub): make worker stack a Kconfig sized for HTTP/TLS sinks (#406)

- add CONFIG_BB_PUB_WORKER_STACK to components/bb_pub/Kconfig (int,
  default 8192, range 2048–16384); help text explains TLS vs plaintext
  tradeoff (>=8192 for bb_http_pub/mbedTLS; 4096 ok for mqtt-only)
- replace hardcoded #define BB_PUB_WORKER_STACK 4096 in
  platform/espidf/bb_pub/bb_pub_espidf.c with the
  #ifndef/#if defined(CONFIG_…) fallback pattern from bb_http_client.h;
  default is now 8192 (safe for any sink including TLS)
- add "Telemetry memory tuning" subsection to CLAUDE.md listing all
  relevant heap knobs: CONFIG_BB_PUB_WORKER_STACK, MAX_SOURCES/SINKS,
  BB_HTTP_CLIENT_TASK_STACK_SIZE, esp-mqtt stack/buffer/outbox,
  mbedTLS content lengths + dynamic buffer, with wroom32 guidance

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

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