Claude 0c3b5a9033 Implement email-address-based conversation matching
Closes the gap where parents sending a new email (instead of replying)
would lose their registration progress. All changes follow the
email-based-conversation-matching OpenSpec change.

Key changes
-----------
storage/json_store.py
  - normalize_email() helper (lowercase + trim)
  - Conversations now keyed by sender email address, not thread ID
  - Versioned registration storage: data/registrations/<email>/v<N>_<ts>.json
  - current.json always reflects the latest version
  - save_registration() returns (email_key, version) tuple
  - save_registration_version() for updates with change_summary
  - get_registration_history() returns all versions in order

models/conversation.py
  - Added last_inbound_message_id field for reply threading (not matching)

channels/email_channel.py
  - fetch_unread_messages() no longer exposes thread_id
  - Conversation matching removed from channel layer (now in agent)
  - Removed _resolve_thread_id() — threading headers kept for SMTP only

agent/core.py
  - process_message() takes parent_email + inbound_message_id (no thread ID)
  - Looks up conversation by normalized email address
  - Post-completion handler: detects intent (question / update / new_child)
  - Registration updates: diffs old vs new, versions storage, notifies admin

agent/prompts.py
  - build_system_prompt() dispatches to registration or post-completion prompt
  - Post-completion prompt guides LLM to return intent field
  - Reminder language updated: no expiration threats

notifications/notifier.py
  - notify_admin() accepts version parameter
  - notify_registration_update() sends "Registration Updated" emails with diff
  - _build_update_body() includes field-level old→new change summary

main.py
  - Poll loop passes parent_email + inbound_message_id to agent (no thread_id)

https://claude.ai/code/session_01HaUFs7SaLD5SoiuGCY27Tw
2026-02-20 22:15:49 +00:00
2026-02-20 14:12:45 +01:00
2026-02-20 14:12:45 +01:00
S
Description
AI-powered conversational registration agent for a play group.
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