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ffx/SCRATCHPAD.md
2026-04-15 15:50:24 +02:00

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# Scratchpad
## Goal
- Capture a compact, project-wide list of optimization candidates after a broad scan of the current FFX codebase, tooling, and requirements.
## Focused Snapshot
- Highest-leverage application optimizations:
- Decide whether placeholder help/settings screens should ship or disappear.
- Trim dead helpers and other dormant surface that still looks active.
- Highest-leverage repo and workflow optimizations:
- Continue migrating the oversized legacy test/combinator surface into focused modern tests so it is easier to run, debug, and extend.
## Optimization Candidates
1. Placeholder UI surfaces should either ship or disappear
- [`src/ffx/help_screen.py`](/home/osgw/.local/src/codex/ffx/src/ffx/help_screen.py) and [`src/ffx/settings_screen.py`](/home/osgw/.local/src/codex/ffx/src/ffx/settings_screen.py) are placeholders.
- Optimization:
- Either remove them from the active UI surface or complete them.
- Avoid paying ongoing maintenance cost for unfinished navigation targets.
- Expected value:
- Leaner interface.
- Lower UX ambiguity.
2. Several helper functions are unfinished or dead-weight
- [`src/ffx/helper.py`](/home/osgw/.local/src/codex/ffx/src/ffx/helper.py) contains `permutateList(...): pass`.
- There are many combinator and conversion placeholders across tests and migrations.
- Optimization:
- Remove dead code, finish it, or isolate it behind a clearly dormant area.
- Avoid carrying stubbed utility surface that looks reusable but is not.
- Expected value:
- Smaller mental model.
- Less time spent re-evaluating inactive paths.
3. Test suite shape is expensive to understand and likely expensive to run
- The project still carries a large legacy matrix of combinator files under [`tests/legacy`](/home/osgw/.local/src/codex/ffx/tests/legacy), several placeholder `pass` implementations, and at least one suspicious filename with an embedded space: [`tests/legacy/disposition_combinator_2_3 .py`](/home/osgw/.local/src/codex/ffx/tests/legacy/disposition_combinator_2_3 .py).
- A first focused replacement slice now exists in [`tests/integration/subtrack_mapping/test_cli_bundle.py`](/home/osgw/.local/src/codex/ffx/tests/integration/subtrack_mapping/test_cli_bundle.py), so the remaining work is migration and consolidation rather than creating the modern test shape from scratch.
- Optimization:
- Continue replacing broad combinator matrices with focused parametrized integration and unit tests.
- Retire the bespoke legacy discovery and runner path once equivalent coverage exists.
- Normalize file naming and test discovery conventions.
- Expected value:
- Faster contributor onboarding.
- Easier CI adoption later.
## Open
- Durable shipped items have been moved into [`README.md`](/home/osgw/.local/src/codex/ffx/README.md) version history through `0.2.6`.
- Should optimization work focus first on operator-perceived latency, internal maintainability, or correctness-risk cleanup that also has performance upside?
- Is the long-term supported model still “local Linux workstation plus Textual UI,” or should optimization decisions bias toward a more scriptable/headless CLI?
## Gaps Right Now
- No explicit prioritization owner or milestone for the optimization backlog.
- No benchmark or timing harness exists for startup, probe, DB, or conversion orchestration overhead.
- Repo hygiene is still mixed with generated artifacts and some clearly unfinished files.
- The legacy TMDB-backed `Scenario 4` path is currently blocked by a pattern/track regression: `Patterns must define at least one track before they can be stored.` This surfaced while rerunning TMDB-dependent checks after the zero-track pattern hardening.
## Next
1. Triage the list into quick wins, medium refactors, and long-horizon cleanup.
2. Tackle the cheapest remaining product-surface cleanup first:
- placeholder UI surfaces and dead helper cleanup.
3. Continue replacing oversized legacy test matrices with focused modern integration and unit coverage.
4. Triage the legacy `Scenario 4` pattern/track failure and decide whether to fix the harness, adapt it to the zero-track guard, or retire that path during the ongoing test-suite migration.
## Delete When
- Delete this scratchpad once the optimization backlog is either converted into issues/work items or distilled into durable project guidance.
## Missing Timestamps
Detect ffmpeg warning "Timestamps are unset in a packet for stream 0. This is deprecated and will stop working in the future. Fix your code to set the timestamps properly" and try autofix by -fflags +genpts -> Warning if fails -> Error. Check if flags collide with anything.
## .265 export
-map 0:v -c:v copy -bsf:v hevc_mp4toannexb out.h265