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ImpTune/.planning/phases/09-ux-tech-debt-closure/09-01-SUMMARY.md
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kawa 9902e2a5b8 docs(09-01): complete driver-upload-fix-and-inline-oob plan 
- Create 09-01-SUMMARY.md: documents OOB swap fix, file changes, TDD outcomes
- Update STATE.md: advance session, add decisions, update progress (94%)
- Update ROADMAP.md: phase 9 in progress (2/3 summaries)
- Update REQUIREMENTS.md: mark UX-01 complete
2026-04-13 10:53:13 +02:00

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phase, plan, subsystem, tags, requires, provides, affects, tech-stack, key-files, key-decisions, patterns-established, requirements-completed, duration, completed
phase plan subsystem tags requires provides affects tech-stack key-files key-decisions patterns-established requirements-completed duration completed
09-ux-tech-debt-closure 01 ui
fastapi
htmx
jinja2
oob-swap
driver-upload
pytest
phase provides
03-printer-configuration printer_form.html with Alpine.js x-data and driver <select>
phase provides
04-driver-management upload_driver handler, DriverStore, Driver model
HTMX OOB swap
POST /drivers/upload emits driver_list + printer-form-driver-select refresh
Inline driver upload form inside printer form (sibling, not nested)
Stable id="printer-form-driver-select" on driver <select> for OOB targeting
caller=printer_form sentinel-based OOB branching in upload handler
4 new integration tests (500 regression x2 + OOB contract x2) + 1 printer form test
09-02-playwright-port-autofill (depends on final printer_form.html shape)
10-rtval (runtime validation uses driver upload flow)
added patterns
HTMX OOB swap via hx-swap-oob="true" on sibling element in same response body
Caller-context sentinel: hidden form field name=caller value=printer_form
FastAPI mixed multipart: UploadFile + Form() parameters in same handler
TDD RED-GREEN: write failing tests, diagnose from output, implement fix
created modified
imptune/templates/partials/driver_upload_with_oob.html
tests/test_printer_form.py
imptune/api/drivers.py
imptune/templates/partials/printer_form.html
tests/test_driver_upload.py
Sentinel field (caller=printer_form) chosen over HX-Target header for caller detection — explicit and testable without HTTP header manipulation
OOB template includes driver_list.html as primary swap + sibling <select> with hx-swap-oob — clean separation of concerns
Inline upload form placed as sibling after </form>, within Alpine x-data div — required by HTML spec (no nested forms)
Hidden #driver-list anchor added to printer form page — provides HTMX outerHTML swap target without full driver list UI on the form
Pattern: HTMX OOB via separate template (driver_upload_with_oob.html) includes primary fragment + appends OOB elements
Pattern: caller-aware handler branches on form field, not HTTP header
UX-01
5min 2026-04-13

Phase 09 Plan 01: Driver Upload Fix and Inline OOB Summary

HTMX OOB driver-select refresh on upload: POST /drivers/upload now emits hx-swap-oob select when caller=printer_form, with printer form wired as sibling inline upload form

Performance

  • Duration: ~5 min
  • Started: 2026-04-13T08:46:30Z
  • Completed: 2026-04-13T08:51:30Z
  • Tasks: 3 (TDD: 2 TDD tasks + 1 template wiring task)
  • Files modified: 5

Accomplishments

  • Fixed POST /drivers/upload caller-awareness: handler now accepts caller: str = Form("") parameter and branches on caller == "printer_form" to emit OOB-enabled response
  • Created driver_upload_with_oob.html template: primary #driver-list fragment + sibling <select hx-swap-oob="true" id="printer-form-driver-select"> with new driver auto-selected
  • Wired inline driver upload form in printer_form.html: sibling <form hx-post="/drivers/upload"> with caller=printer_form sentinel, outside the printer <form> to comply with HTML spec
  • Added stable id="printer-form-driver-select" to driver <select> for OOB targeting
  • Delivered 5 new tests: 2 parametrized 500 regression variants, 2 OOB contract tests, 1 printer form wiring test

Task Commits

  1. Task 1: Write failing driver-upload regression + OOB contract tests - d1de839 (test)
  2. Task 2: Fix handler + add OOB template - 10ee09a (fix)
  3. Task 3: Wire inline upload form into printer_form.html - 72c6a98 (feat)

Files Created/Modified

  • imptune/api/drivers.py - Added Form import, caller parameter, new_driver capture, OOB branch
  • imptune/templates/partials/driver_upload_with_oob.html - New template: primary fragment include + OOB select
  • imptune/templates/partials/printer_form.html - Stable select id, sibling upload form, hidden driver-list anchor
  • tests/test_driver_upload.py - 4 new tests: 500 regression (x2 parametrized), OOB contract, no-OOB-on-standalone
  • tests/test_printer_form.py - New file: test_printer_form_has_inline_driver_upload

Decisions Made

  • Sentinel field caller=printer_form chosen over HX-Target header — simpler, more explicit, testable without HTTP header manipulation in tests
  • OOB template uses {% include "partials/driver_list.html" %} to avoid duplication; OOB select appended as sibling after the include
  • Hidden <div id="driver-list" style="display:none"> added to printer form to provide HTMX outerHTML swap target — keeps driver list hidden on printer form but enables HTMX to find the target
  • Upload form placed AFTER </form> of the printer form but inside the Alpine x-data div — avoids invalid HTML nested forms while preserving Alpine scope

Deviations from Plan

Auto-fixed Issues

1. [Rule 3 - Blocking] test_upload_500_regression passed without a real 500 repro

  • Found during: Task 1 (writing RED tests)
  • Issue: The synthetic ZIP fixture doesn't reproduce the 500 that was reported. Both parametrized variants (plain UTF-8 and BOM/UTF-16 LE) returned 200. The handler was already robust enough for these cases.
  • Fix: Kept both variants as documented regression guards. The 500 was pre-surfaced as a concern from Phase 8 kickoff; adding regression coverage is still correct even if the synthetic fixture doesn't repro it. The OOB tests were RED (the actual broken behavior).
  • Files modified: tests/test_driver_upload.py (kept parametrized variants)
  • Verification: 2 OOB tests went RED as expected; 500 variants green (correct behavior)
  • Committed in: d1de839 (Task 1 test commit)

Total deviations: 1 auto-handled (plan expected 500 to repro; it didn't — OOB tests were the actual failures driving the fix) Impact on plan: No scope change. Both the regression guard and OOB fix were delivered. Handler correctly returns 200 for tested fixtures.

Issues Encountered

  • Python bytes concatenation error in initial test code (b"\xff\xfe" + str instead of b"\xff\xfe" + str.encode()). Fixed inline before committing.
  • File was overwritten by linter between edits; used cat >> bash append to reliably add new test functions to the file.

Next Phase Readiness

  • printer_form.html is in its final shape for 09-02 (Playwright test can assert Alpine port autofill against this version)
  • OOB driver upload flow is fully wired and test-covered
  • Full non-e2e suite: 112 passed, 0 failures

Phase: 09-ux-tech-debt-closure Completed: 2026-04-13

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