feat: add spoiler text style support for Signal (||text||)

fix: enable typing indicators on connect via updateConfiguration

chore: remove core NanoClaw vars from .env.example

fix: use correct textStyle string format for signal-cli JSON-RPC

test: add regression tests for textStyles parameter name and fallback

fix: use correct textStyles parameter name for signal-cli

feat: add Signal native text formatting (textStyles)

test: add quote context tests for Signal messages

feat: add inbound quote/reply context for Signal messages

docs: fix Claude token description in .env.example

docs: fix setup guide gaps found during fresh install test

feat: add Signal message channel (text-only)

docs: update token count to 43.0k tokens · 22% of context window

chore: bump version to 1.2.45

style: run prettier on container/agent-runner/src/