brac.dev devlogDecisions, failures, and numbers from each build phase across brac.dev projects.https://brac.dev/en-usTownwick phase 4: billing and ops, where the automation is one emailhttps://brac.dev/log/townwick-billing-ops/https://brac.dev/log/townwick-billing-ops/The last numbered phase: a signature-verified Stripe webhook whose entire job is one operator email, plus the Paused and Churned checklists.Sun, 02 Aug 2026 00:00:00 GMTTownwick Q4: the intake round, and the questions the sections were waiting forhttps://brac.dev/log/townwick-output-quality-intake/https://brac.dev/log/townwick-output-quality-intake/The output-quality programme closes: per-vertical interview kits, a scaffolder that won't overwrite answers, and a zero-key extraction prompt with a gate.Sun, 02 Aug 2026 00:00:00 GMTTownwick's own site: shipping the ad without the portfoliohttps://brac.dev/log/townwick-marketing-site/https://brac.dev/log/townwick-marketing-site/Townwick's own page: a separate workspace app, not a fourth client. The three-demo showcase shipped held on consent grounds, behind one switch.Sat, 01 Aug 2026 00:00:00 GMTTownwick output quality: the section engine, the toolbox, and motion you can measurehttps://brac.dev/log/townwick-output-quality-sections-and-motion/https://brac.dev/log/townwick-output-quality-sections-and-motion/Three milestones in one day: page composition becomes config data, six research-derived section types land, and motion ships with its perceptibility measured.Sat, 01 Aug 2026 00:00:00 GMTTownwick trust round: what a real prospect's questions turned into codehttps://brac.dev/log/townwick-trust-and-ownership/https://brac.dev/log/townwick-trust-and-ownership/One prospect conversation turned into five FAQ answers, a shorter term, and the pipeline code that makes each answer true: an exit bundle and a verify gate.Sat, 01 Aug 2026 00:00:00 GMTTownwick phase 2: the live pipeline, and four bugs that only existed off my machinehttps://brac.dev/log/townwick-live-pipeline/https://brac.dev/log/townwick-live-pipeline/The live pipeline: Google reviews with compliance rendering, live-only analytics, two-layer rate limiting, and a fake client on a real domain to prove it.Thu, 30 Jul 2026 00:00:00 GMTTownwick phase 1: three demo sites deployed, and the SEO plan the research killedhttps://brac.dev/log/townwick-demo-pipeline/https://brac.dev/log/townwick-demo-pipeline/The demo pipeline: photo processing, OG images, JSON-LD, demo-mode behaviors, and all three seed clients live on Vercel previews.Wed, 29 Jul 2026 00:00:00 GMTTownwick phase 0: one config file becomes a barbershop sitehttps://brac.dev/log/townwick-scaffold-first-render/https://brac.dev/log/townwick-scaffold-first-render/The monorepo, the Zod config contract, and an Astro 7 site that builds CJ's Barbershop out of one config.yaml and nothing else.Wed, 29 Jul 2026 00:00:00 GMTVantage phase 2g: volumetric clouds, and the f32 landmine three green gates missedhttps://brac.dev/log/vantage-phase-2g-volumetric-clouds/https://brac.dev/log/vantage-phase-2g-volumetric-clouds/The 2.5D cloud shell became a true volumetric raymarch. The story is the review catching an f32 cancellation that made clouds render only at the limb.Thu, 23 Jul 2026 00:00:00 GMTVantage phase 2h: cloud-shaped sun shafts and the shading round the audit rewrotehttps://brac.dev/log/vantage-phase-2h-terminator-and-shading/https://brac.dev/log/vantage-phase-2h-terminator-and-shading/Sun-lit limb clouds now emit into the god-ray source, and an audit-before-fix rule disproved the reviewer's diagnosis and found a 200x units bug instead.Thu, 23 Jul 2026 00:00:00 GMTVantage phase 2: riding the orbit, and the sign flip the textbook hideshttps://brac.dev/log/vantage-orbit-picking-minimap/https://brac.dev/log/vantage-orbit-picking-minimap/The ship rides its inclined track with follow-cam, time warp, click-picking and a minimap. Ground track verifies to 1e-13 degrees, after a sign flip.Wed, 22 Jul 2026 00:00:00 GMTVantage phase 1b: a planet from a seedhttps://brac.dev/log/vantage-phase-1b-texture-pipeline/https://brac.dev/log/vantage-phase-1b-texture-pipeline/The Earth placeholder is gone. One seed becomes the whole texture set, deterministically, in 11 seconds: continents, biomes, night lights, clouds, regions.Wed, 22 Jul 2026 00:00:00 GMTVantage phase 2b: quality tiers, and the phone that was never going to load ithttps://brac.dev/log/vantage-phase-2b-quality-tiers/https://brac.dev/log/vantage-phase-2b-quality-tiers/'Heavy on my phone' turned out to be 'cannot load at all'. Three quality tiers, a 2K bake variant, auto-detection, and the desktop path proven byte-identical.Wed, 22 Jul 2026 00:00:00 GMTVantage 2.x: the look-and-feel arc, flat horizons and driving the shiphttps://brac.dev/log/vantage-phase-2x-look-and-feel/https://brac.dev/log/vantage-phase-2x-look-and-feel/A polish arc between phases: the low-orbit flat horizon (which meant lowering the ship's orbit), displaced mountains, and a dev panel for live taste work.Wed, 22 Jul 2026 00:00:00 GMTTesting our own pitch: a pre-registered study of meshcheck-gated generationhttps://brac.dev/log/meshcheck-quality-study/https://brac.dev/log/meshcheck-quality-study/We pre-registered three criteria, ran 15 prompts through 3 arms against Tripo, and our marketing claim failed its own test.Tue, 21 Jul 2026 00:00:00 GMTVantage phase 1: the hero planet, and the god rays that weren'thttps://brac.dev/log/vantage-hero-planet/https://brac.dev/log/vantage-hero-planet/The risk phase: a TSL-shaded planet with terminator, city lights, ocean glint and atmosphere, and a god-rays node that turned out to be the wrong effect.Tue, 21 Jul 2026 00:00:00 GMTVantage phase 0: scaffolding on WebGPURenderer while dodging TypeScript 7https://brac.dev/log/vantage-scaffold/https://brac.dev/log/vantage-scaffold/The Vite + TS + three r185 scaffold: 240Hz fixed-timestep loop, seeded PRNG, tone-mapped empty scene, and a TypeScript version pin that isn't optional.Tue, 21 Jul 2026 00:00:00 GMTTurning meshcheck's site into the instrument it describeshttps://brac.dev/log/meshcheck-frontend-overhaul/https://brac.dev/log/meshcheck-frontend-overhaul/A visual-only overhaul: one rebuilt stylesheet, a report-card hero, and mobile-overflow fallout fixed with three CSS rules. No markup or islands changed.Mon, 20 Jul 2026 00:00:00 GMTSelf-serve signup: from owner-minted keys to a stranger holding one in two minuteshttps://brac.dev/log/meshcheck-self-serve-signup/https://brac.dev/log/meshcheck-self-serve-signup/Magic-link accounts, a real pricing page, and dashboard key minting shipped to prod. Gmail's link scanner ate our first token.Mon, 20 Jul 2026 00:00:00 GMTReading retopology quality out of triangle soup: meshcheck's TOP check familyhttps://brac.dev/log/meshcheck-topology/https://brac.dev/log/meshcheck-topology/Phase 5 adds four topology-quality checks read from triangle fingerprints, calibrated on a 21-asset corpus, behind the project's first schema minor bump.Fri, 17 Jul 2026 00:00:00 GMTShipping the meshcheck API on Vercel Functions over a WASM corehttps://brac.dev/log/meshcheck-api-on-vercel/https://brac.dev/log/meshcheck-api-on-vercel/meshcheck's validation API is live on Vercel Functions over the WASM core: hashed keys, a credit ledger, private Blob, async jobs, and a docs surface.Tue, 14 Jul 2026 00:00:00 GMTA /tmp leak at render thirteen: shipping meshcheck's deterministic rendererhttps://brac.dev/log/meshcheck-deterministic-renderer/https://brac.dev/log/meshcheck-deterministic-renderer/Phase 2 ships deterministic server-side rendering; the sustained deploy gates caught a /tmp leak that poisoned instances after twelve renders.Tue, 14 Jul 2026 00:00:00 GMTmeshcheck goes public: an MCP server, a demo you can't scrape clean, a 9.7-second gatehttps://brac.dev/log/meshcheck-mcp-site-demo/https://brac.dev/log/meshcheck-mcp-site-demo/Phase 3 shipped meshcheck-mcp, the public demo path with plan-forced watermarks, and the Astro site — all four gates green on deployed production.Tue, 14 Jul 2026 00:00:00 GMTmeshcheck Phase 0: a deterministic glTF report card and the corpus that proves ithttps://brac.dev/log/meshcheck-core-and-corpus/https://brac.dev/log/meshcheck-core-and-corpus/28 deterministic glTF checks, a schema-valid report, and a byte-reproducible corpus gate: 100% detection, zero false positives, 0 diffs.Mon, 13 Jul 2026 00:00:00 GMTWhat this log is, and how it gets writtenhttps://brac.dev/log/field-notes-hello-log/https://brac.dev/log/field-notes-hello-log/A short note on what this devlog is: a build record drafted by the agents at each phase gate, edited by a human, one entry per completed phase.Sun, 12 Jul 2026 00:00:00 GMTDragging particlr's polyline paths on the canvashttps://brac.dev/log/particlr-on-canvas-authoring/https://brac.dev/log/particlr-on-canvas-authoring/Three editor arcs moved polyline authoring onto the canvas: on-canvas drag, cross-layer ghosts and snap, and Catmull-Rom smoothing, at zero golden churn.Sun, 12 Jul 2026 00:00:00 GMTPublishing @particlr/runtime to npm without shipping the editorhttps://brac.dev/log/particlr-runtime-npm-publish/https://brac.dev/log/particlr-runtime-npm-publish/Splitting the MIT runtime out of a private monorepo to npm and a public mirror across four releases, including a 0.4.2 supply-chain fix.Sun, 12 Jul 2026 00:00:00 GMTRebuilding particlr's spatial hash for 2,500 live particleshttps://brac.dev/log/particlr-spatial-hash/https://brac.dev/log/particlr-spatial-hash/The naive O(n²) neighbor pass died at 800 particles. A 64px-cell spatial hash got us to 2,500 at 3.1ms.Fri, 10 Jul 2026 00:00:00 GMTTrade caravans crossing Petriarch's dead zonehttps://brac.dev/log/petriarch-trade-across-the-dead-zone/https://brac.dev/log/petriarch-trade-across-the-dead-zone/The first authored social layer: supply-scent, a provisioning gate, and a round-trip carry cycle turn two isolated societies into trading partners.Tue, 30 Jun 2026 00:00:00 GMTPorting Petriarch's Tier A sim to WebGPU for 20,000 agentshttps://brac.dev/log/petriarch-webgpu-tier-a/https://brac.dev/log/petriarch-webgpu-tier-a/Every per-agent Tier A pass moves to WGSL compute kernels, verified against the CPU golden reference, scaling the sim to 20k agents on an RTX 3090.Fri, 26 Jun 2026 00:00:00 GMTEvery weapon evolves: swarmr's guaranteed 5th-pick upgradehttps://brac.dev/log/swarmr-weapon-evolutions/https://brac.dev/log/swarmr-weapon-evolutions/A per-weapon level cap turns the 5th upgrade pick into a one-time evolution, guaranteed as a gold card, reshaping all five weapons with no new subsystems.Wed, 24 Jun 2026 00:00:00 GMT