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spec(t27f): the deck backdrop is brand black (Closes #10035) - #10036
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BACKDROP 0x06060B -> 0x000000 and both aurora strengths -> 0, by the owner's order of 2026-10-18 to follow the brand book: the t27.ai site paints its page #000000, and gHashTag/tri-net phone/BRANDBOOK.md says black surfaces, colour only as a signal. New test the_backdrop_is_brand_black holds every backdrop pixel at 0x000000. Lab: t27c 16/16 pass, 0 vacuous; t27b 16 passed; negative control (0x06060B restored) fails the new test. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Regenerated wasm/deck.zig, deck.mjs and t27f.wasm from deck.t27 at gHashTag/t27#10036: BACKDROP 0x000000, both aurora strengths 0. Only those three constants differ in deck.mjs; reel.* byte-identical. Built on the Railway lab (t27c 0.5.2, zig 0.16.0), sha256 in wasm/BUILD. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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…he spec as SVG (#3) * feat: t27f_view draws T27F demo reel stills from the spec as SVG Every position, size and style index comes from specs/t27f/reel.t27 (gHashTag/t27 PR #9982): its bodies run as wasm/reel.wasm, built from the generated Zig plus a 38-line export shim, and its constants are the generated wasm/reel.mjs. server.mjs only writes polygons and labels to an SVG file and returns the path, which the Claude Code desktop app opens in its Browser pane. Hand glue: wasm/export.zig 38 lines, server.mjs 40 added lines (one of them the changed tools/call line that passes string results through) -- 78 in all. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> * feat: t27f_view draws presentation slides by default (T27fDeck) The default look is now a deck slide from specs/t27f/deck.t27: a cover, stage or split layout by scene kind, regions, type sizes, palette and card opacity all from the spec, with the map placed by slide_x/slide_y. look 0 keeps the plain map. wasm/t27f.wasm now carries reel and deck bodies; export.zig handles two modules and five parameters. WIP: split stills wait on a deck.t27 answer for card_alpha at the still frame (it is 0 there). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> * t27f_view: a scene still shows the whole glass card (STILL_CARD_ALPHA) deck.t27 (gHashTag/t27 PR #9992) adds STILL_CARD_ALPHA: a still is the last frame of its scene, where card_alpha is 0, so a still drawn with card_alpha showed no card. A scene still now uses STILL_CARD_ALPHA; an exact frame keeps card_alpha. deck.zig and deck.mjs regenerated on the Railway lab (15/15 deck tests, 0 vacuous); t27f.wasm is byte-identical (the change is a constant). Adds deck renders and pane screenshots under docs/t27f_view/. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> * t27f_view: the slide backdrop is brand black (gHashTag/t27#10036) Regenerated wasm/deck.zig, deck.mjs and t27f.wasm from deck.t27 at gHashTag/t27#10036: BACKDROP 0x000000, both aurora strengths 0. Only those three constants differ in deck.mjs; reel.* byte-identical. Built on the Railway lab (t27c 0.5.2, zig 0.16.0), sha256 in wasm/BUILD. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
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…ck) (#6) look 0 hard-coded #0b0d12 for its background and its cell strokes. It now reads deck.BACKDROP from wasm/deck.mjs (generated from specs/t27f/deck.t27, 0x000000 since gHashTag/t27#10036), so both looks share one backdrop and the number lives only in the spec. Net change: 0 lines, 3 edited. Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
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Closes #10035
What
The owner's order of 2026-10-18 is to make the background black and follow our brand book.
specs/t27f/deck.t27is the default slide look of a T27F reel, and this PR changes:BACKDROP:0x06060B->0x000000. The t27.ai site paints its page#000000(gHashTag/trinityapps/website/src/index.css,--bg).AURORA_UNDER_CARD_PERMILLE300 -> 0 andAURORA_UNDER_COVER_PERMILLE450 -> 0. The brand book (gHashTag/tri-netphone/BRANDBOOK.md) says black surfaces, with colour only as a signal and never as decoration. The ribbon colours stay in the file, so the existing separation test still guards them, but they are drawn at zero strength.the_backdrop_is_brand_black:BACKDROP == 0x000000, every ribbon at card and cover strength leaves the backdrop black, and the darkest status colour (muted,0x3F3F50) still stands off black byMIN_STATUS_DISTANCE.Nothing else moves. The layout, the card, the type and the status colours are unchanged.
Verification (Railway lab, never the Mac)
Shipped as one tarball, with the sha256 equal on both ends. Here
deck.t27isbd8ef9fc...512147.test-report: 16 tests, 16 pass, 0 FAIL, 2 invariants proved, 0 vacuous passes. The new test executes 9 asserts.test --check: 16 passed, 0 failed, 2 invariants held.BACKDROP = 0x06060Brestored on a copy, t27c reports exactly 1 FAIL,the_backdrop_is_brand_black.gen/gen-js, zig 0.16.0 wasm). Compared with the currentwasm/deck.mjsin gHashTag/t27-mcp, the only differences areBACKDROPand the twoAURORA_UNDER_*_PERMILLEvalues.reel.zigandreel.mjsare byte-identical. The regenerated files go into t27f_view: presentation slides by default (T27fDeck) t27-mcp#4.Not claimed
The plain map view (
look: 0) draws its background from a colour hard-coded in t27-mcpserver.mjs(#0b0d12), not from this spec, so this PR does not make it black. Moving that number into the spec is a hand-written change to a.mjsfile, which the only-t27 rule does not allow here, so it is left as a follow-up.🤖 Generated with Claude Code