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human-experience-filter-art/sessions/0039/SESSION-0039.0-TRANSCRIPT-2026-06-30T10-40--2026-06-30T23-52.md
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Session 0039.0 — Transcript

App: human-experience-filter-art Start: 2026-06-30T10-40 (PST) End: 2026-06-30T23-52 (PST) Type: planning-and-executing Posture: yolo Claude-Session: 9c986be3-c1f9-4123-bf7a-d62dd34810dd Checkout: worktree welcome-screen-controls (branch worktree-welcome-screen-controls, off origin/main)

Date: 2026-06-30 Goal: Build a pre-load "Welcome" screen for the simulator, then iterate it live per operator feedback. Outcome: Shipped a large run of frontend work to production and merged to main (7ec8b60, fast-forward). The project was renamed Human/Machine Strata and moved to benstull.art/human-machine-strata/ (old URL 301-redirects). Live == main at close.

Plan

Emergent, operator-driven (not a single up-front plan). The through-line:

  1. Welcome screen: hide the right pane during load; put Video / Reduce-motion / Audio / Language controls on the pre-load screen; heads-up before "Loading Universe"; two states (welcome → centered loader); "Launch Simulator" entry.
  2. Reconcile two main updates that landed mid-session (Playback Speed slider, −2..2 then 0×–4×).
  3. Rework welcome controls → Language / Speed / Audio; drop the video toggle (video assumed on); re-add a Reduce-motion toggle that turns OFF morph transitions only (loop stays on Speed).
  4. Publish to Cloudflare; then a stream of live tweaks: cap speed at 2×, cache hardening, panel reorder, rename, URL move.
  5. Merge to main + final deploy.

Pre-session state

  • Simulator is a fully-static Cloudflare deployment (Pages + R2) — exempt from the Wiggleverse §9/flotilla pipeline; deploys straight to benstull.art. Was live at /human-experience-simulator/.
  • Entry flow was: bare "Loading Universe" splash → fade → "Run simulation" button over a black stage → first-visit "Heads up" modal → begin (video on, audio→2). Controls (Video/Audio/Reduce-motion/Language) lived in the always-visible right panel.
  • Parallel sessions were active on the shared checkout; this session ran in an isolated worktree per the isolation rule.

Turn-by-turn arc

  1. Brainstorm + spec. Explored the loading screen, right pane, controls, and i18n via an Explore agent. Wrote/committed the design spec (05328b1, docs/superpowers/specs/2026-06-30-welcome-screen-design.md). Operator refined it live (State B centered loader; "Launch Simulator" as the single entry button).
  2. Build the welcome screen (f077193): folded #loading + #motion-warning + #run-sim into one #welcome overlay; State A (heads-up + controls + Launch, loader at bottom) → State B (Launch-while-loading: messaging gone, controls stay, loader centered) → auto-enter; panel hidden until entry via body:has(#welcome); added window.__hefReady e2e seam; i18n welcome.launch + localized the previously en-only warn.*. Discovered + fixed a pre-existing i18n parity failure in passing. Node 35, e2e 27, static 2, pytest 301. Untracked stray test-results/ artifacts (7cdf594).
  3. Reconcile main (twice). Mid-session main gained a Playbook Speed slider (df8b245, −2..2) then narrowed it to 0×–4× forward, dropping reverse (e064a2e). Merged both into the branch; resolved conflicts in app.js/i18n/a11y; generalized the speed machinery to drive both the welcome and panel sliders.
  4. Welcome controls reworked → Language / Speed / Audio (video assumed on at entry).
  5. Reduce-motion returns (5f9ae6b). Operator: "we actually do need Reduced motion to turn off the morph videos." Speed only drives the resting loop, so re-added a visible Reduce-motion toggle (welcome + panel, default from OS pref) that makes altitude changes instant cuts (no morph tween) while the loop keeps following Speed. Decoupled the loop from reduce-motion (main had them coupled).
  6. Publish to benstull.art. Verified wrangler auth, ran the frontend-only deploy; verified live + a headless smoke.
  7. Live tweaks (a stream): "Video speed" rename (79f64e3); cap speed at 0–2× — >2× stutters, same all-intra reason reverse was dropped (ccd4010); panel: Experience knobs above Altitude, drop the dial hint + "(0–4)" (fafb498); page title + h1 → then renamed to Human/Machine Strata (958c306); move Altitude to the TOP of the panel for mobile (c36f995).
  8. Debugged "video + audio not playing on launch" (systematic-debugging). Could not reproduce in Chromium headless, Chromium strict-autoplay, OR WebKit — everything played. Turned out to be a stale Safari app-shell (worked in a private window). Also found a stale uvicorn from another checkout squatting on :8099 serving old HTML, and | tail masking playwright's exit code — both wasted time.
  9. Cache hardening. app-shell was no-cache; a per-HTML no-store override did NOT stick (Cloudflare Pages let /seg/* win), so switched the whole app path to no-store (8c63b14).
  10. Reduce-motion regression fixed (ecd444b). Operator: "video doesn't change when a new altitude is selected with Reduce motion on." TDD: reproduced with a failing e2e, root-caused (the reduced-motion jump skips the segment that re-rolls the destination clip → activeClipId stayed on the old scale's clip), fixed with a self-heal at the setPos frac-0 landing (re-roll if the landed pool doesn't contain activeClipId).
  11. Rename + URL move. Named the project Human/Machine Strata; moved the URL to /human-machine-strata/ (950c1e6) with a permanent 301 from the legacy path (LEGACY_APP_PATH); the bare-root case needed its own rule (b135cb5). R2 bucket + Pages project names kept (not in the URL → no media re-upload). Updated the build test, static-build e2e path, and README paths.
  12. Merge + final deploy. main had diverged by 2 commits (session-transcript files only) — merged origin/main in cleanly, then fast-forwarded main to the branch (7ec8b60). Deployed; verified new URL + old-URL 301.

Cut state (end of session)

  • main = origin/main = branch worktree-welcome-screen-controls = 7ec8b60. Working tree clean; everything pushed and merged.
  • Live: https://benstull.art/human-machine-strata/ serves "Human/Machine Strata"; old /human-experience-simulator/ (root + subpaths) 301-redirects; app-shell Cache-Control: no-store.
  • Verification at close: node 35/35, Playwright dynamic e2e 33/33 (incl. new reduce-motion instant-cut clip test), static-build 2/2, pytest 301 passed (3 pre-existing ffmpeg/cv2 env-only failures, unrelated).
  • Key commits (all on main via 7ec8b60): 05328b1 spec · f077193 welcome screen · reconcile merges of main's speed feature · 5f9ae6b reduce-motion toggle · ccd4010 2× cap · 8c63b14 no-store · fafb498 knobs-above-altitude · ecd444b reduce-motion clip re-roll · c36f995 altitude-on-top · 958c306 rename · 950c1e6 URL move · b135cb5 bare-root redirect · 7ec8b60 merge.

What lands on the operator's plate

  • By-eye review on real Safari of the shipped experience (headless can't exercise real autoplay/GPU; the reduce-motion instant-cut and 2× cap are logic/test-verified only).
  • Optional cleanup: the dev-panel #aud-test element has a hardcoded /media/... src that 404s on the R2 site (dev-only, no user impact) — route it through mediaBase() if desired.
  • Possible follow-up: "more welcome copy beyond the heads-up" (operator flagged early; the welcome-message block is structured to take more data-i18n paragraphs).

Prompt the operator can paste into the next session

/goal Human/Machine Strata follow-ups. The welcome screen + rename + URL move are live and merged to main (benstull.art/human-machine-strata/). Next: (1) add the intro/framing welcome copy beyond the "Heads up" notice (welcome-message block is data-i18n-ready, 4 langs); (2) optionally clean up the dev-panel #aud-test hardcoded /media 404 by routing it through mediaBase(). Reminder env gotchas: only python3 on this box (start uvicorn by hand, __hefReady e2e seam replaces the old #loading wait); a stale uvicorn from another checkout can squat on :8099 (curl :8099 | grep welcome to confirm); don't trust `… | tail` exit codes.

Deferred decisions

  • Kept "Human/Machine Strata" as an untranslated proper title across all 4 languages (app.title), rather than localizing it — treated as the work's title. Low-confidence; easy to localize if the operator prefers.
  • Renamed the app URL path but not the Pages project / R2 bucket names (they aren't in the benstull.art URL; renaming them would force a 2.3 GB media re-upload). Judged not worth it.
  • Session started careful? No — no init ran; posture defaulted to yolo (planning-and-executing). All merges/deploys were operator-directed step by step.
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