.planning/intel/assets-spec.md

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+# Mokosh Asset Specification
+
+Concrete deliverables list derived from `design-system.md`. Each entry tells a
+contributor (you, an agent, a hired designer) exactly what file to produce,
+what dimensions/format, what to draw, and where to commit it. Authored
+2026-05-17 to unblock Plan 01-09's notification-icon failure + Plan 01-10's
+welcome page.
+
+Status: `draft` — first iteration; revise as actual designs surface.
+
+---
+
+## Priority 0 — blocks Plan 01-09 closeout
+
+These three icons unblock the notification + toolbar UX. Plan 01-09 cannot
+land its operator-empirical UAT until valid versions exist.
+
+### A-01 — `icons/icon16.png`
+
+| | |
+|---|---|
+| **Path** | `icons/icon16.png` (commit to source tree; vite copies to `dist/icons/` on build) |
+| **Dimensions** | 16 × 16 px |
+| **Format** | PNG, RGBA (transparent background), 8-bit |
+| **Min file size** | ≥ 200 bytes (current placeholder is 79 B — Chrome rejects it) |
+| **Subject** | The Mokosh mark per `design-system.md` §5.2. At 16px most detail is lost; produce as a single recognizable silhouette. |
+| **Color** | Single accent color OR transparent + accent. Recommended: a filled circle in `#212121` (near-black, neutral) for visibility on both light and dark Chrome themes. Adding the recording dot in `--mks-rec` makes this state-coloured, which conflicts with the "neutral mark + state via badge" decision (design-system §5.2). **Pick neutral.** |
+| **Where used** | Chrome menu bars, Extensions page list, autocomplete popup |
+| **Validation** | After committing: `npm run build && grep -q '"16"' dist/manifest.json && [ -s dist/icons/icon16.png ]` |
+
+### A-02 — `icons/icon48.png`
+
+| | |
+|---|---|
+| **Path** | `icons/icon48.png` |
+| **Dimensions** | 48 × 48 px |
+| **Format** | PNG, RGBA, 8-bit |
+| **Min file size** | ≥ 500 bytes (current placeholder is 123 B) |
+| **Subject** | Same mark as A-01, more visible internal detail. The frame/ring around the dot can resolve at this size. |
+| **Color** | Same constraint: neutral. |
+| **Where used** | Chrome Extensions page (chrome://extensions card icon), some context menus |
+| **Validation** | `grep -q '"48"' dist/manifest.json && [ -s dist/icons/icon48.png ]` |
+
+### A-03 — `icons/icon128.png`
+
+| | |
+|---|---|
+| **Path** | `icons/icon128.png` |
+| **Dimensions** | 128 × 128 px (REQUIRED minimum for `chrome.notifications.create({type:'basic'})`) |
+| **Format** | PNG, RGBA, 8-bit |
+| **Min file size** | ≥ 1 KB (current placeholder is 306 B — silently rejected by `chrome.imageUtil` per the empirical finding) |
+| **Subject** | Full Mokosh mark, all detail visible. This is the primary brand asset. |
+| **Color** | Neutral mark; the badge layer adds state colour. |
+| **Where used** | Chrome Web Store thumbnail (someday), notification iconUrl (per `design-system.md` §8.2), about-extension dialogs |
+| **Validation** | `[ $(stat -c%s dist/icons/icon128.png) -gt 1024 ]` AND `chrome.notifications.create` succeeds in smoke without `imageUtil` error |
+
+---
+
+## Priority 1 — Plan 01-10 welcome page
+
+### A-04 — `icons/icon192.png` (optional, retina-safe notification icon)
+
+| | |
+|---|---|
+| **Path** | `icons/icon192.png` |
+| **Dimensions** | 192 × 192 px |
+| **Format** | PNG, RGBA, 8-bit |
+| **Min file size** | ≥ 2 KB |
+| **Subject** | Identical to A-03 at higher resolution; for hi-DPI displays in notification rendering |
+| **Status** | Optional but recommended. If skipped, A-03 (128px) is the fallback. |
+
+### A-05 — Welcome page hero mark (Plan 01-10)
+
+| | |
+|---|---|
+| **Path** | `src/welcome/hero.svg` (preferred — vector) OR `src/welcome/hero.png` (1024×512 fallback) |
+| **Format** | SVG (inline-safe, no external refs) OR PNG |
+| **Subject** | Lockup of the Mark + the wordmark "Mokosh" OR "AI Call Recorder". Type lockup at large scale. Per `design-system.md` §10 ODD-4, default is "type-only hero" if no illustration exists — in that case the SVG can be a stylized rendering of the wordmark alone. |
+| **Used by** | `src/welcome/welcome.html` (Plan 01-10) |
+| **Status** | Required for Plan 01-10 closure. Acceptable interim: type-only HTML/CSS lockup (no asset file needed) |
+
+---
+
+## Priority 2 — refinement passes (future phases)
+
+### A-06 — Status-glyph variants for badge composition
+
+The current architecture uses Chrome's badge API (text + background color) for
+state communication. If a future phase wants richer state indication (e.g. a
+recording-dot embedded in the toolbar icon itself, swapped via
+`chrome.action.setIcon`), we'd need per-state icon variants:
+
+| Variant | Dimensions | When used |
+|---|---|---|
+| `icons/icon-rec-16.png` etc. | 16/48/128 | When recording active (red dot overlay) |
+| `icons/icon-err-16.png` etc. | 16/48/128 | When in error state |
+| `icons/icon-off-16.png` etc. | 16/48/128 | When idle |
+
+Recommendation: defer to Phase 5 hardening unless badge text proves insufficient.
+The performance cost of setIcon swaps every state change is non-trivial.
+
+### A-07 — Popup polish
+
+| | |
+|---|---|
+| **Path** | `src/popup/popup-bg.svg` |
+| **Subject** | Optional subtle background pattern OR colour for popup container; currently popup uses solid `--mks-popup-bg-dark/light` |
+| **Status** | Skip; current solid background is fine |
+
+### A-08 — Operator runbook visuals (smoke.sh page enhancements)
+
+The smoke test page (in `smoke.sh`'s SMOKE_HTML) currently uses emoji and
+inline CSS. Could be replaced with a properly-designed instructional page if
+operators actually use it for onboarding. Currently dev-only; defer.
+
+---
+
+## Implementation pathways for the contributor
+
+Pick ONE based on availability:
+
+### Path A — auto-generated solid-color placeholder set
+
+**Use case:** quickly unblock Plan 01-09 closeout. Replace placeholders with
+real designed assets later.
+
+```bash
+# Quick generator using ImageMagick (one-liner per size)
+convert -size 16x16  xc:'#212121' -draw "fill #00C853 circle 8,8 8,4"  icons/icon16.png
+convert -size 48x48  xc:'#212121' -draw "fill #00C853 circle 24,24 24,12" icons/icon48.png
+convert -size 128x128 xc:'#212121' -draw "fill #00C853 circle 64,64 64,32" icons/icon128.png
+```
+
+Produces dark-square + green-dot icons (~1 KB each). Functional, not branded.
+
+### Path B — design-first
+
+You produce the assets per the `design-system.md` constraints. Drop them at the
+spec'd paths. Run `npm run build`, smoke.sh, confirm notification fires.
+
+### Path C — hire / commission
+
+Send `design-system.md` + this file to a designer. Acceptance: deliverables at
+the listed paths, dimensions, formats, with file sizes above the floors.
+
+---
+
+## Acceptance checklist (any pathway)
+
+Plan 01-09's operator UAT can resume when ALL of these are true:
+
+- [ ] `icons/icon16.png` exists, ≥ 200 bytes, is 16×16 PNG
+- [ ] `icons/icon48.png` exists, ≥ 500 bytes, is 48×48 PNG
+- [ ] `icons/icon128.png` exists, ≥ 1024 bytes, is 128×128 PNG
+- [ ] `npm run build` mirrors them to `dist/icons/`
+- [ ] Smoke run: `chrome.notifications.create` does NOT throw `imageUtil` error
+- [ ] Recovery notification visibly appears after click "Stop sharing" in Chrome
+
+Once those pass + Plan 01-09 Bug B fix (state routing for `user-stopped-sharing`
+→ `setIdleMode`) lands, the wave closes.
+
+---
+
+## Related
+
+- `design-system.md` — visual + interaction language this spec realises
+- `.planning/phases/01-stabilize-video-pipeline/01-09-PLAN.md` — the plan that
+  surfaced the icon need
+- `.planning/debug/01-09-recovery-flow.md` — the debug session that confirmed
+  the icon files are the blocker
+- `src/background/index.ts` lines 54, 833-840 — NOTIFICATION_ICON_PATH constant
+  + the chrome.notifications.create call site that needs valid icons
+- `manifest.json` `icons` and `action.default_icon` — declare which sizes exist

.planning/intel/design-system.md

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+# Mokosh Design System
+
+Cross-phase visual + interaction language for the Mokosh extension (user-facing
+name "AI Call Recorder", internal codename "Mokosh"). Authored 2026-05-17 in
+response to Plan 01-09's notification-icon discovery that the original
+placeholder PNGs (`icons/icon{16,48,128}.png` at 79/123/306 bytes) fail Chrome's
+notification API. Surfaces the visual decisions so any contributor (you, an
+agent, a future designer) can produce assets that fit the same language.
+
+Status: `draft` — first iteration; expect amendments as actual designs surface.
+
+---
+
+## 1. Brand voice
+
+**Mokosh is an operator's silent helper.** It records continuously, surfaces
+itself only when needed, and stays out of the operator's way the rest of the
+time. The visual identity should reflect that:
+
+- **Quietly competent.** Not playful, not flashy. Dependable industrial.
+- **Diagnostic, not decorative.** Every visual choice serves an operator goal:
+  is recording active? did the bug get captured? where do I click to save?
+- **Low chrome, high clarity.** When the extension is invisible (recording
+  silently), it should genuinely be invisible. When it shows itself (badge,
+  notification, popup), it should be unambiguous about state.
+- **Russian-first wording, internationally legible visuals.** Operators read
+  Russian (per SPEC). Visuals must not depend on any language for legibility —
+  symbols + color + position carry meaning.
+
+Anti-patterns to avoid:
+- Animated icons that draw attention during normal operation
+- Decorative imagery in a tool that should fade into background
+- Brand-marketing tone in operator-facing copy ("Hi there!", emojis)
+- Color-only state indication (must pair color with text/shape)
+
+---
+
+## 2. Identity
+
+| | |
+|---|---|
+| Codename | Mokosh — Slavic goddess of fate, weaving, and the earth |
+| User-facing display name | "AI Call Recorder" (Russian-speaking operator-tool name) |
+| Tagline candidates (TBD) | "Записывает, чтобы вы могли воспроизвести." ("Records so you can reproduce.") |
+| Mark concept | A thread/spool/weave motif evokes the codename without overpowering. Alternative: a simple recording dot inside a frame, more conventional. **Decision deferred** — see Section 10. |
+
+---
+
+## 3. Color tokens
+
+All extension surfaces draw from this palette. Color values are RGB; CSS
+variable names are how implementation references them.
+
+### 3.1 Semantic state (operator-visible)
+
+| Token | Hex | Use |
+|---|---|---|
+| `--mks-rec` | `#00C853` | Recording active. Match `BADGE_REC_COLOR` in src/background/index.ts. Material Green A700; widely recognised "go/record" affordance. |
+| `--mks-off` | `#9E9E9E` | Idle / not recording. Neutral gray, not red (red implies error). Material Gray 500. |
+| `--mks-error` | `#FFB300` | Recoverable error (codec failure, buffer empty, etc.). Match `BADGE_ERROR_COLOR`. Material Amber 600 — caution not catastrophe. |
+| `--mks-fatal` | `#D32F2F` | Unrecoverable state (rare). Material Red 700. |
+
+**Accessibility constraint:** All four colors must meet WCAG AA 4.5:1 contrast
+when paired with their badge text color. White text on `--mks-rec` and
+`--mks-fatal`; black text on `--mks-off` and `--mks-error`.
+
+### 3.2 UI surfaces
+
+| Token | Hex | Use |
+|---|---|---|
+| `--mks-surface-bg` | `#222222` | Smoke-test page background (current); also acceptable for popup dark mode |
+| `--mks-surface-text` | `#EEEEEE` | Text on dark surfaces |
+| `--mks-surface-code` | `#444444` | Inline code background (dark theme) |
+| `--mks-popup-bg-light` | `#FFFFFF` | Popup background, light Chrome theme |
+| `--mks-popup-bg-dark` | `#1F1F1F` | Popup background, dark Chrome theme |
+| `--mks-popup-fg-light` | `#202124` | Popup text, light theme (matches Chrome's Material 3) |
+| `--mks-popup-fg-dark` | `#E8EAED` | Popup text, dark theme |
+
+### 3.3 Diagnostic / dev-only
+
+| Token | Hex | Use |
+|---|---|---|
+| `--mks-diag-bg` | `#000000` | Smoke-test timer overlay background |
+| `--mks-diag-fg` | `#00FF00` | Smoke-test timer overlay text (high-contrast monospace) |
+
+---
+
+## 4. Typography
+
+**System fonts only.** No web-font loads — keeps the extension CSP simple and
+load-time near-zero. Falls back gracefully on every OS.
+
+| Family token | Stack | Use |
+|---|---|---|
+| `--mks-font-ui` | `-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif` | All UI text (popup, welcome page, notifications-rendered-as-pages) |
+| `--mks-font-mono` | `"SF Mono", Menlo, Consolas, "Courier New", monospace` | Diagnostic overlays, code, timer |
+
+### 4.1 Type scale
+
+| Token | Size | Line-height | Use |
+|---|---|---|---|
+| `--mks-text-xs` | 11px | 1.3 | Badge labels, status pills, footnotes |
+| `--mks-text-sm` | 13px | 1.4 | Secondary UI text, captions |
+| `--mks-text-base` | 15px | 1.5 | Body text, popup messages, notification body |
+| `--mks-text-lg` | 18px | 1.4 | Section headings within popup |
+| `--mks-text-xl` | 24px | 1.3 | Welcome page H1, primary call-to-action |
+| `--mks-text-xxl` | 32px | 1.2 | Diagnostic timer (smoke), large status |
+
+### 4.2 Weights
+
+- 400 (regular): all body text
+- 500 (medium): UI labels, badge text
+- 700 (bold): primary CTAs, status indicators (REC/OFF/ERROR)
+
+Avoid 600 / italic — keep the weight ladder tight.
+
+---
+
+## 5. Iconography
+
+### 5.1 Style
+
+- **Solid filled** (not outline). Solid icons read better at 16px/48px sizes
+  where extension icons live; outline detail is lost at small sizes.
+- **24×24 source grid** with 2px padding (effective icon area 20×20). Standard
+  Material/Apple icon-grid convention; ensures consistent visual weight.
+- **Single accent color or two-tone max.** Reserve color complexity for badges
+  and notifications.
+
+### 5.2 Mark concept (action.default_icon)
+
+The extension's primary mark serves 3 roles simultaneously:
+- Browser toolbar icon (16/32 — tiny; needs immediately-readable silhouette)
+- Extensions page icon (48 — moderate; can carry a bit more detail)
+- Chrome Web Store + notification icon (128 — full detail)
+
+**Recommended motif: a "recording dot inside a thread spool / frame".** A
+red-or-green circle inside a hexagonal/circular frame. Reads as: "this thing
+records." The frame nods at the Mokosh "weaving" theme without literally
+showing thread (which would be unreadable at 16px).
+
+Alternative (cleaner, more conventional): just a filled red circle with a thin
+white inner ring — looks like a record button, no thematic baggage. Slightly
+less distinctive but immediately understood.
+
+**Color in the mark:** the mark uses `--mks-rec` (green) when REC overlay would
+be added by Chrome's badge anyway, OR a neutral mark with state communicated
+purely via badge. Recommended: **neutral mark, state via badge.** Keeps the
+icon recognizable across all states.
+
+### 5.3 Inline glyphs
+
+For popup and welcome page:
+
+| Concept | Glyph | Notes |
+|---|---|---|
+| Save / download | ⬇ filled-arrow-into-tray | 20px in popup |
+| Stop | ■ filled-square | Reserved for explicit stop control (see Section 10) |
+| Recording active | ● solid-circle in `--mks-rec` | Pulsing optional (see Section 7) |
+| Error | ▲ filled-triangle with `!` | `--mks-error` background |
+| Settings | ⚙ filled-gear | Reserved; not currently surfaced |
+| Welcome / intro | 🧵 thread/spool emoji is currently used in smoke; replace with custom glyph at design time |
+
+---
+
+## 6. Spacing
+
+Base unit: **4px.** All spacing values are multiples of this base.
+
+| Token | Value | Use |
+|---|---|---|
+| `--mks-space-1` | 4px | Tight padding within badges |
+| `--mks-space-2` | 8px | Default padding inside controls |
+| `--mks-space-3` | 12px | Padding inside popup containers |
+| `--mks-space-4` | 16px | Section separation |
+| `--mks-space-6` | 24px | Welcome page section gaps |
+| `--mks-space-8` | 32px | Welcome page hero spacing |
+
+### 6.1 Surface sizing
+
+| Surface | Size | Notes |
+|---|---|---|
+| Popup default | 320×200 | Chrome auto-sizes; this is the comfortable target |
+| Welcome page | full viewport, max-width 720px content column | Plan 01-10 |
+| Notification | Chrome-controlled (basic type, ~360px wide) | iconUrl + title + message |
+| Toolbar badge text | max 4 chars | Chrome truncates beyond |
+
+---
+
+## 7. Motion
+
+Conservative. Motion draws attention; the extension should draw attention only
+on state change.
+
+| Motion | Duration | Easing | Use |
+|---|---|---|---|
+| Hover transitions | 150ms | `ease-out` | Buttons, links |
+| Badge state change | instant | — | REC/OFF/ERROR transitions; no animation |
+| Recording pulse (optional) | 1000ms loop | `ease-in-out` | Subtle 0.85→1.0 opacity loop on REC badge if surface allows. Currently used in smoke `.flash` class — adopt for badge if Chrome's badge API allows (it doesn't natively; would need an action.setIcon swap on interval, which has perf cost — recommend OFF for now). |
+| Notification slide | Chrome default | — | We don't control |
+| Welcome page CTA hover | 200ms | `ease-out` | Background-color + scale 1.0→1.02 |
+
+---
+
+## 8. Component conventions
+
+### 8.1 Toolbar action (chrome.action)
+
+States:
+- **Idle** — neutral mark, badge text empty (or `""`), background transparent
+- **REC** — neutral mark + badge text `"REC"` + background `--mks-rec`
+- **ERROR** — neutral mark + badge text `"ERR"` + background `--mks-error`
+- **OFF** (post-stop, awaiting restart) — neutral mark + badge text `"OFF"` + background `--mks-off`
+
+Tooltip (`chrome.action.setTitle`) communicates current state in Russian:
+- Idle: "Mokosh — щёлкните, чтобы начать запись"
+- REC: "Mokosh — идёт запись (00:42)" (with live duration)
+- ERROR: "Mokosh — ошибка записи, щёлкните для восстановления"
+- OFF: "Mokosh — запись остановлена, щёлкните, чтобы начать снова"
+
+### 8.2 Notification
+
+Use `chrome.notifications.create` with `type: 'basic'`:
+
+```js
+{
+  type: 'basic',
+  iconUrl: chrome.runtime.getURL('icons/icon128.png'),  // hi-res required
+  title: 'Mokosh',                                      // short, branded
+  message: 'Recording started.' | 'Recording stopped.' | etc.,  // Russian
+  priority: 1,                                          // default; 2 only for urgent
+}
+```
+
+Notifications fire on:
+- Startup prompt (every Chrome session) — until operator clicks once
+- Recovery prompt (after user-stopped-sharing) — once
+- Save complete (optional acknowledgement) — Phase 5 candidate
+
+Avoid notification spam — at most one notification per state transition.
+
+### 8.3 Popup (SAVE-only per Plan 01-09)
+
+- Compact: 320×200 max
+- Single primary CTA: "Сохранить отчёт об ошибке" (full-width)
+- Status line above CTA: "Запись активна, последние 30 сек захвачены"
+- Footer: small text with recording duration ("XX:XX") for trust
+- No secondary actions in REC mode
+- ERROR mode: replace CTA with restart-recording action; status line shows
+  error reason
+
+### 8.4 Welcome page (Plan 01-10)
+
+- Full viewport, dark theme matching `--mks-popup-bg-dark`
+- Hero: large mark + name + 1-line tagline
+- Body: 2-3 short bullets explaining what Mokosh does (operator-readable Russian)
+- Primary CTA: "Начать запись" button — large, `--mks-rec` background, white text
+- Footer: privacy note ("Mokosh записывает только ваш экран; данные остаются у вас")
+
+---
+
+## 9. Accessibility & internationalization
+
+- **Contrast:** WCAG AA (4.5:1 normal, 3:1 large text). All semantic-state
+  pairings pre-validated above.
+- **Focus:** visible focus rings on all interactive elements (popup buttons,
+  welcome page CTA). Use Chrome's default `outline: 2px solid auto`.
+- **Color-independence:** every color-coded state pairs with text (REC/OFF/ERR
+  badge labels; never color alone).
+- **Localization:** all user-facing strings are Russian per SPEC. UI scaffolding
+  must support future English/other-locale strings via standard Chrome
+  `_locales/` mechanism (deferred — no MVP requirement).
+- **Reduced motion:** if recording-pulse animation is ever enabled (see §7),
+  honor `prefers-reduced-motion: reduce` by falling back to static.
+
+---
+
+## 10. Open design decisions
+
+These are visual choices that need a human design pass before locking:
+
+| # | Question | Default if undecided |
+|---|---|---|
+| ODD-1 | Mark concept: thread/spool motif OR clean record-button | Clean record-button (faster to produce; recognizable; no thematic risk) |
+| ODD-2 | Pulsing REC badge animation | OFF (Chrome badge API doesn't support; would need setIcon interval; perf cost) |
+| ODD-3 | Tagline final wording | "Записывает, чтобы вы могли воспроизвести." (above) |
+| ODD-4 | Welcome page hero illustration | None — type-only hero |
+| ODD-5 | Notification iconUrl: same as toolbar mark OR distinct? | Same — operator should recognise the source |
+| ODD-6 | Dark/light theme detection in popup | Auto via `prefers-color-scheme` (uses Chrome theme by default) |
+
+---
+
+## 11. Implementation notes
+
+- All extension contexts (SW, offscreen, popup, welcome page) share the same
+  CSP. No external font/asset loads. Everything bundled or `chrome.runtime.getURL`.
+- Icons must be in `dist/icons/` and declared in both `manifest.json` `icons`
+  AND `action.default_icon`.
+- Notification iconUrl uses `chrome.runtime.getURL('icons/icon128.png')` — at
+  least 128×128, ideally 192×192 for retina. Smaller icons silently fail
+  Chrome's `imageUtil` validation.
+- All popup HTML/CSS lives in `src/popup/`. All welcome HTML/CSS lives in
+  `src/welcome/` (Plan 01-10).
+- Inline SVG preferred over PNG where the surface permits — sharper at all
+  DPIs. Chrome's notification API REQUIRES PNG iconUrl though.
+
+---
+
+## 12. Related
+
+- `assets-spec.md` — concrete deliverables list (specific files, sizes, formats)
+  derived from this design system
+- `src/background/index.ts` — implements toolbar action + notification per §8
+- `src/popup/index.html` — implements popup per §8.3
+- `src/welcome/welcome.html` — implements welcome per §8.4 (Plan 01-10)
+- `.planning/phases/01-stabilize-video-pipeline/01-CONTEXT.md` D-16-toolbar,
+  D-15-display-surface amendments — interaction model this design system
+  visually realises