- Step-by-step field-by-field callback config table
- Common pitfall documented: don't paste JSON body in "Line pattern"
- Exact JSON body template format (spaces around colons required)
- Companion dashboard deployment steps
Backend also cleaned up: unified query-string / JSON body parsing
via a single _num() helper instead of nested try/except blocks.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
tarcourt
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