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keylight: unship it -- opt-in (BT_KEYLIGHT=1), gone from all player docs

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Operator decision: the player base is not on Windows 11, so the RGB keyboard
mirror should not be shipped or promised.  The feature is NOT deleted -- Cyd's
implementation stays intact behind the gate for whoever wants it -- it is
simply off by default and invisible:

  * PadRIO gate flips from opt-out (BT_KEYLIGHT=0 disables) to OPT-IN
    (BT_KEYLIGHT=1 enables).  Default boots produce zero keylight lines, and a
    stub build and a real build now behave identically for players: nothing.
  * Removed from every user-facing artifact: the README paragraph, the
    CONTROLS.md section, the CONTROLS.html footer line.
  * environ.ini template: the entry stays (it is the discoverable home for the
    opt-in) but now says OFF-unless-1, Windows 11 22H2+, and why it is
    unshipped.
  * mkdist's cut-time stub warning removed -- it existed to protect a README
    promise that no longer exists.
  * context/glass-cockpit.md records the decision, the opt-in, and the
    build-time SDK stub gate in one place.

VERIFIED: default boot logs zero keylight lines; BT_KEYLIGHT=1 engages the
feature (the stub on this machine: its one honest log line + the key map).
All three console suites pass; checkctx CLEAN.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
This commit is contained in:
arcattack
2026-07-26 17:06:00 -05:00
co-authored by Claude Opus 5
parent c4202d92ca
commit 12d6862c1f
7 changed files with 18 additions and 34 deletions
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context/glass-cockpit.md
+6 -1
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@@ -289,7 +289,12 @@ Ported from RP412 (itself vRIO's `KeyboardLampMirror`). Keys bound to a lamp add
map's side columns (0x10-0x1F), red for the rest — flashing in step with the on-screen buttons
(its `LampLevel` copy matches the FIXED `BTLampBrightnessOf`). Per-key boards light each bound
key; zone-lit boards mirror the strongest lamp board-wide. All WinRT runs on a private worker
thread. Gate: `BT_KEYLIGHT=0` opts out; no Dynamic Lighting = one log line, then dormant.
thread. Gate: **OPT-IN since 2026-07-26** -- `BT_KEYLIGHT=1` enables (operator decision: the
player base is not on Windows 11, so the feature was unshipped -- removed from README/
CONTROLS.* -- rather than promised); default is OFF and produces zero log lines. Also note
the CMakeLists BUILD gate: an SDK older than 10.0.22000 compiles a dormant five-function
stub (this build machine does), so shipping the real mirror requires a newer-SDK build.
No Dynamic Lighting at runtime = one log line, then dormant.
⚠ **RP412's packing hazard does NOT apply here.** It compiles that file with forced default struct
packing because *its* engine is `/Zp1`, which would break the WinRT ABI. BT411's `BT_OPTS` is