feat: add mail import detail events

docs/development/roadmap.md

@@ -28,6 +28,7 @@ Recently improved:
 - Report/domain API reads can hydrate the dashboard projection from persisted data after restart.
 - Mail source import history is visible in the Mail Sources UI.
 - Individual mail sources can be manually imported from the Mail Sources UI.
+- Import-history rows include sanitized per-attachment outcomes and imported report IDs.
 - The current Alpine-based UI is allowed by CSP and renders dynamic tables in real browsers.
 
 Implementation note:
@@ -38,9 +39,8 @@ Implementation note:
 Objective: make mailbox imports auditable and make report totals trustworthy.
 
 Priority tasks:
-- Expand import attempts with message ID, source, attachment filename, outcome, and sanitized error details.
+- Add mailbox search controls for date-range backfills.
 - Report duplicate skips separately from parse failures.
-- Add backfill controls for Gmail and IMAP sources.
 - Improve source rollups so a source IP tracks pass/fail counts over time.
 
 Quality bar:

docs/milestones.md

@@ -63,10 +63,10 @@ Recently delivered:
 - Uploaded, Gmail-imported, and IMAP-imported reports are now persisted to report/record tables and can be reloaded into report/domain views.
 - Mail source import history is now visible from the Mail Sources UI.
 - A single mail source can be manually imported from the Mail Sources UI, with the result recorded in import history.
+- Import history now includes per-attachment details for imported reports, duplicates, parse errors, unsupported attachments, and imported report IDs.
 - The current Alpine-based UI can run under the configured CSP, so dynamic tables render in real browsers.
 
 Next tasks:
-- Add per-import result details: skipped duplicates, parse failures, unsupported attachments, and imported report IDs.
 - Add mailbox search controls for date range/backfill without requiring code changes.
 - Improve source aggregation so each sender IP keeps pass/fail totals instead of only the latest result.
 

docs/todo.md

@@ -92,6 +92,7 @@ This file tracks the specific implementation tasks for each milestone of the DMA
 - [x] Count duplicate skips separately from parse failures
 - [x] Show recent import history in the Mail Sources UI
 - [x] Add manual import trigger per mail source
+- [x] Add per-import result details for duplicates, parse failures, unsupported attachments, and imported report IDs
 - [ ] Add retry/backfill controls per mail source
 
 ## Milestone 3: Database Integration