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P0-10: Delete FundingCAPTCHA dead members (waiting.py, grid.py leftovers, /ws channel, no-op settings key) #188
Description
Part of #175 (audit Phase 0). Evidence: docs/audit/2026-11-09/detail/fundingcaptcha.md §2 "Dead members", §5.
All paths under ShowControl/FundingCAPTCHA/. Each item verified by grep across the whole repo.
| Item | Location | Why dead |
|---|---|---|
ScreenSavers/waiting.py + its screensavers.json entry |
42 LOC | Self-described stub; pipes_3d.py:382-402 already draws the identical title + "step into frame" overlay. With both listed, half of idle time shows the stub. |
| Seven colour aliases | games/grid.py:18-24 |
Zero references outside grid.py |
CELL_PAD, Grid.inner_rect |
games/grid.py:26,90-91 |
Used only by dead blit_cell |
Grid._flashes, flash(), draw_flashes() |
games/grid.py:67,93-115 |
Zero callers |
Grid.draw_background() |
games/grid.py:97-102 |
Zero callers (games draw cells inline) |
Grid.blit_cell() |
games/grid.py:117-120 |
Zero callers |
MID_GREY, LT_GREY, GREEN, YELLOW, RED |
app.py:69-73 |
app.py uses only BLACK, WHITE, DK_GREY, CYAN |
| Empty "Silhouette rendering" section header | app.py:284-285 |
Leftover from the extraction commit |
/ws status WebSocket, broadcast(), _app_status fan-out |
app.py:104,133-163,189-194 |
No client connects. Dashboard/index.html polls GET /health; Dashboard/fundingcaptcha.html uses /logs only. broadcast() runs 9× per loop for nobody. Keep /health and /logs. |
BodyBlobs.active |
body_blobs.py:127-129 |
Zero callers |
detection.min_blob_pixels |
captcha-settings.json:6, read at app.py:267 |
BlobTracker.detect_foreground() never consults it (only detect() does, which FundingCAPTCHA does not call). Note the same-named key under shader_app.blobs is live; leave that one. |
| Stale comments | deploy/captcha.service:1,6-7 |
"Game Server" and "emit fake blobs" are pre-ADR-0013 wording |
Done when. ~150 LOC gone; make test unchanged; the Dashboard FundingCAPTCHA page still shows status and logs.
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