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chore: complete v1.6 milestone 

Archived:
- milestones/v1.6-ROADMAP.md
- milestones/v1.6-REQUIREMENTS.md

Deleted (fresh for next milestone):
- ROADMAP.md
- REQUIREMENTS.md

Updated:
- MILESTONES.md (new entry)
- PROJECT.md (requirements → Validated)
- STATE.md (reset for next milestone)

v1.6 Media Features Polish shipped:
- JamTrack loading sequence, sizing, navigation fixed
- Backing track sync to session screen
- Prevent multiple media players simultaneously
- 2 phases, 5 plans, 7 days

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Nuwan 2026-03-03 16:33:44 +05:30
parent 51f7cb105a
commit 4c4ee9253b
6 changed files with 175 additions and 102 deletions
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# Project Milestones: JamKazam Media Features Modernization
## v1.6 Media Features Polish (Shipped: 2026-03-03)
**Delivered:** Fixed JamTrack loading sequence, window sizing, and navigation; enabled backing track sync to session screen; prevented opening multiple media players simultaneously.
**Phases completed:** 26-27 (5 plans total)
**Key accomplishments:**
- Fixed JamTrack loading sequence - defer UI until backend processing completes
- Fixed JamTrack player window sizing (460x350) without scrollbars
- Implemented "Create custom mix" navigation to JamTrack editor in new tab
- Added callback cleanup to prevent memory leaks in JamTrack
- Backing tracks now sync to session screen when opened
- Added async cleanup to prevent unmount state warnings
- Prevented opening multiple media players simultaneously
**Stats:**
- 44 files modified
- +5,210 / -403 lines of JavaScript/React
- 2 phases, 5 plans
- 7 days (2026-02-25 → 2026-03-03)
**Git range:** `eab0b0d19` → `51f7cb105`
**What's next:** To be determined in next milestone planning
---
## v1.5 Fix Session Recording (Shipped: 2026-02-25)
**Delivered:** Fixed session recording crash and memory leaks, enabling stable recording sessions of 15+ minutes.

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Transform session features from the legacy web project into modern React patterns in jam-ui. The features exist in the legacy codebase with jQuery dialogs and polling-based playback monitoring - we're bringing them into the React architecture with proper component structure, hooks, and Redux integration where appropriate.
**Completed Features (v1.0 - v1.5):**
**Completed Features (v1.0 - v1.6):**
1. ✅ **Backing Track** - File-based audio playback with player controls
2. ✅ **JamTrack** - Collaborative track loading with mixdown selection
3. ✅ **Session Chat** - Real-time chat with message history and read/unread tracking
@ -14,9 +14,7 @@ Transform session features from the legacy web project into modern React pattern
5. ✅ **Session Settings Tests** - Jest unit tests and Playwright integration tests
6. ✅ **Memory Leak Prevention** - Fixed memory leaks causing session screen freezes (shipped 2026-02-10)
7. ✅ **Fix Session Recording** - Fixed C++ client crash and memory leaks (shipped 2026-02-25)
**Current Milestone (v1.6):**
8. 🔧 **Media Features Polish** - Fix Metronome UI, Backing Track sync, JamTrack loading sequence
8. ✅ **Media Features Polish** - Fixed JamTrack loading, Backing Track sync, multiple media prevention (shipped 2026-03-03)
**Future Work:**
- Additional recording controls (track selection, playback, management)
@ -25,6 +23,15 @@ Transform session features from the legacy web project into modern React pattern
### Current State
**v1.6 Media Features Polish (SHIPPED 2026-03-03):**
- ✅ JamTrack loading sequence fixed (defer UI until backend ready)
- ✅ JamTrack player window sizing (460x350) without scrollbars
- ✅ "Create custom mix" navigation to JamTrack editor
- ✅ JamTrack callback cleanup (memory leak prevention)
- ✅ Backing track sync to session screen via Redux
- ✅ Async cleanup pattern for unmount state warnings
- ✅ Prevent opening multiple media players simultaneously
**v1.5 Fix Session Recording (SHIPPED 2026-02-25):**
- ✅ Fixed C++ client crash on Start Recording (JSON parsing fix)
- ✅ Timer cleanup for recording hook (waitingOnStopTimer)
@ -97,6 +104,15 @@ Transform session features from the legacy web project into modern React pattern
- ✓ Conditional callback cleanup — v1.5
- ✓ 15+ minute recording stability — v1.5
**Media Features Polish:**
- ✓ JamTrack defer UI until backend ready — v1.6
- ✓ JamTrack window sizing (460x350) — v1.6
- ✓ JamTrack "Create custom mix" navigation — v1.6
- ✓ JamTrack callback cleanup — v1.6
- ✓ Backing track sync to session screen — v1.6
- ✓ Async cleanup for unmount warnings — v1.6
- ✓ Prevent multiple media players — v1.6
### Out of Scope
- **Additional recording controls** - Track selection, playback, management deferred
@ -118,6 +134,10 @@ Transform session features from the legacy web project into modern React pattern
| Both test types | Jest for unit tests, Playwright for integration | Confirmed (v1.3) |
| Conditional callback cleanup | Multiple hook instances share window.JK callbacks | Validated (v1.5) |
| Ignore flag pattern | Prevents state updates on unmounted components | Validated (v1.5) |
| Defer JamTrack UI until synchronized | Prevents empty controls showing before backend ready | Validated (v1.6) |
| WindowPortal sizing 460x350 | Matches content dimensions plus padding for JamTrack | Validated (v1.6) |
| openBackingTrack action for sync | Centralized Redux + server sync for backing tracks | Validated (v1.6) |
| Prevent multiple media players | Only one media type (JamTrack/BackingTrack/Metronome) at a time | Validated (v1.6) |
## Constraints
@ -147,4 +167,4 @@ Transform session features from the legacy web project into modern React pattern
- `jam-ui/src/store/features/mixersSlice.js` - Mixer state with removeVuState
---
*Last updated: 2026-02-25 after v1.5 Fix Session Recording milestone shipped*
*Last updated: 2026-03-03 after v1.6 Media Features Polish milestone shipped*

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# Roadmap: JamKazam Media Features Modernization
## Milestones
- v1.0 Media Players (Phases 1-4) - SHIPPED 2026-01-14
- v1.1 Music Session Chat (Phases 5-10) - SHIPPED 2026-01-27
- v1.2 Session Attachments (Phases 11-14) - SHIPPED 2026-02-07
- v1.3 Session Settings Tests (Phases 15-17) - SHIPPED 2026-02-08
- v1.4 Memory Leak Prevention (Phases 18-22) - SHIPPED 2026-02-10
- v1.5 Fix Session Recording (Phases 23-25) - SHIPPED 2026-02-25
- **v1.6 Media Features Polish** (Phases 26-27) - IN PROGRESS
## Overview
v1.6 addresses usability issues in JamTrack (loading sequence bug, sizing, navigation) and Backing Track (sync integration). Metronome responsiveness was determined to be satisfactory after phases 26-27 improvements.
## Phases
- [x] **Phase 26: JamTrack Polish** - Fix loading sequence, sizing, navigation, and cleanup ✓
- [x] **Phase 27: Backing Track Sync** - Enable track sync and async cleanup ✓
## Phase Details
### Phase 26: JamTrack Polish
**Goal**: JamTrack player works correctly from selection through playback without freezes
**Depends on**: v1.5 complete
**Requirements**: JT-01, JT-02, JT-03, JT-04
**Success Criteria** (what must be TRUE):
1. User sees loading indicator while backend processes track (not premature stem UI)
2. JamTrack player fits properly in popup window without scrollbars
3. "Create custom mix" button opens JamTrack editor in new tab
4. No console warnings about leaked callbacks when closing JamTrack or navigating away
**Plans**: 4 plans
Plans:
- [x] 26-01-PLAN.md - Fix window sizing and create custom mix navigation ✓
- [x] 26-02-PLAN.md - Add callback cleanup and defer controls rendering ✓
- [x] 26-03-PLAN.md - Remove 'idle' from valid render states (gap closure) ✓
- [x] 26-04-PLAN.md - Trigger loadJamTrack when not synchronized (gap closure) ✓
### Phase 27: Backing Track Sync
**Goal**: Backing Track appears in session screen when opened
**Depends on**: Nothing (independent of Phase 26)
**Requirements**: BT-01, BT-02
**Success Criteria** (what must be TRUE):
1. Opening a backing track file shows the track in session screen (not just popup)
2. No "state update on unmounted component" warnings when closing backing track quickly
**Plans**: 1 plan
Plans:
- [x] 27-01-PLAN.md - Use openBackingTrack action and add async cleanup ✓
## Progress
| Phase | Milestone | Plans Complete | Status | Completed |
|-------|-----------|----------------|--------|-----------|
| 26. JamTrack Polish | v1.6 | 4/4 | Complete | 2026-02-25 |
| 27. Backing Track Sync | v1.6 | 1/1 | Complete | 2026-02-26 |
---
*v1.6 roadmap created 2026-02-25, updated 2026-03-03 (Phase 28 descoped)*

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## Project Reference
See: .planning/PROJECT.md (updated 2026-02-25)
See: .planning/PROJECT.md (updated 2026-03-03)
**Core value:** Modernize session features from legacy jQuery/Rails to React patterns
**Current focus:** v1.6 Media Features Polish - Phase 27 Backing Track Sync
**Current focus:** v1.6 complete — ready for next milestone planning
## Current Position
Phase: 27 of 28 (Backing Track Sync)
Plan: 1 of 1 in current phase (complete)
Status: Phase complete
Last activity: 2026-02-26 - Completed 27-01-PLAN.md
Phase: 27 of 27 (v1.6 complete)
Plan: All plans complete
Status: Milestone shipped
Last activity: 2026-03-03 — v1.6 Media Features Polish shipped
Progress: [████░░░░░░] 40%
Progress: [██████████] 100%
## Performance Metrics
**v1.0 - v1.5 Summary:**
- Total milestones shipped: 6
- Total phases completed: 25
- Total plans completed: 44
**v1.0 - v1.6 Summary:**
- Total milestones shipped: 7
- Total phases completed: 27
- Total plans completed: 49
**v1.6 Media Features Polish (In Progress):**
- Phases: 3 (phases 26-28)
- Requirements: 8
**v1.6 Media Features Polish (SHIPPED 2026-03-03):**
- Phases: 2 (phases 26-27)
- Requirements: 6 shipped, 2 descoped
- Plans completed: 5 (26-01, 26-02, 26-03, 26-04, 27-01)
## Accumulated Context
@ -35,16 +35,11 @@ Progress: [████░░░░░░] 40%
See PROJECT.md Key Decisions table for full history.
Recent decisions (v1.6):
- Keep WindowPortal for Metronome (consistency with JamTrack, BackingTrack, Chat)
- 300ms debounce for responsive UI while avoiding excessive native client calls
- WindowPortal sizing should match content dimensions plus padding (420px + 40px = 460px)
- Use noopener,noreferrer for security on window.open calls
- cleanupJamTrackCallbacks is a simple function (not thunk) since it only manipulates window globals
- Controls render when downloadState is 'synchronized' only (removed 'idle' from conditions)
- Call checkJamTrackSync BEFORE dispatching setSelectedJamTrack/setJamTrackStems
- Call loadJamTrack when syncResult.isSynchronized is false to trigger download flow
- Use openBackingTrack action instead of direct jamClient call for centralized sync
- Use ignore flag pattern (not AbortController) for simple async cleanup
- Defer JamTrack UI until synchronized (prevents empty controls)
- WindowPortal sizing 460x350 (matches content plus padding)
- openBackingTrack action for centralized Redux + server sync
- Prevent multiple media players (one at a time)
- Descope Metronome debounce (responsiveness satisfactory)
### Deferred Issues
@ -64,14 +59,13 @@ Recent decisions (v1.6):
- **v1.3 Session Settings Tests** (Phases 17-18): Shipped 2026-02-08
- **v1.4 Memory Leak Prevention** (Phases 19-23): Shipped 2026-02-10
- **v1.5 Fix Session Recording** (Phases 24-25): Shipped 2026-02-25
- **v1.6 Media Features Polish** (Phases 26-28): In Progress
- **v1.6 Media Features Polish** (Phases 26-27): Shipped 2026-03-03
## Session Continuity
Last session: 2026-02-26
Stopped at: Completed 27-01-PLAN.md (Phase 27 complete)
Last session: 2026-03-03
Stopped at: v1.6 milestone complete
Resume file: None
**Next steps:**
1. `/gsd:verify-work 27` for manual UAT (recommended)
2. `/gsd:plan-phase 28` to plan next phase (if applicable)
1. `/gsd:new-milestone` — start next milestone (questioning → research → requirements → roadmap)

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# Requirements: v1.6 Media Features Polish
# Requirements Archive: v1.6 Media Features Polish
**Defined:** 2026-02-25
**Core Value:** Fix usability issues in Backing Track and JamTrack features
**Archived:** 2026-03-03
**Status:** ✅ SHIPPED
This is the archived requirements specification for v1.6.
For current requirements, see `.planning/REQUIREMENTS.md` (created for next milestone).
---
## v1.6 Requirements
Requirements for polishing media player features. Each maps to roadmap phases.
**Defined:** 2026-02-25
**Core Value:** Fix usability issues in Backing Track and JamTrack features
### JamTrack Fixes
@ -29,8 +35,6 @@ Requirements for polishing media player features. Each maps to roadmap phases.
## Out of Scope
Explicitly excluded for this milestone.
| Feature | Reason |
|---------|--------|
| Hide "about:blank" URL bar | Browser security constraint, cannot be changed |
@ -50,4 +54,12 @@ Explicitly excluded for this milestone.
| BT-02 | Phase 27 | Complete |
---
*v1.6 requirements defined 2026-02-25, updated 2026-03-03 (Metronome fixes descoped)*
## Milestone Summary
**Shipped:** 6 of 6 v1.6 requirements (100%)
**Adjusted:** None
**Dropped:** MET-01, MET-02 (Metronome debounce) — descoped as responsiveness was satisfactory
---
*Archived: 2026-03-03 as part of v1.6 milestone completion*

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# Milestone v1.6: Media Features Polish
**Status:** ✅ SHIPPED 2026-03-03
**Phases:** 26-27
**Total Plans:** 5
## Overview
v1.6 addressed usability issues in JamTrack (loading sequence bug, sizing, navigation) and Backing Track (sync integration). Metronome responsiveness was determined to be satisfactory after phases 26-27 improvements and was descoped.
## Phases
### Phase 26: JamTrack Polish
**Goal**: JamTrack player works correctly from selection through playback without freezes
**Depends on**: v1.5 complete
**Requirements**: JT-01, JT-02, JT-03, JT-04
**Success Criteria** (what must be TRUE):
1. User sees loading indicator while backend processes track (not premature stem UI)
2. JamTrack player fits properly in popup window without scrollbars
3. "Create custom mix" button opens JamTrack editor in new tab
4. No console warnings about leaked callbacks when closing JamTrack or navigating away
**Plans**: 4 plans
Plans:
- [x] 26-01-PLAN.md - Fix window sizing and create custom mix navigation ✓
- [x] 26-02-PLAN.md - Add callback cleanup and defer controls rendering ✓
- [x] 26-03-PLAN.md - Remove 'idle' from valid render states (gap closure) ✓
- [x] 26-04-PLAN.md - Trigger loadJamTrack when not synchronized (gap closure) ✓
**Completed:** 2026-02-25
### Phase 27: Backing Track Sync
**Goal**: Backing Track appears in session screen when opened
**Depends on**: Nothing (independent of Phase 26)
**Requirements**: BT-01, BT-02
**Success Criteria** (what must be TRUE):
1. Opening a backing track file shows the track in session screen (not just popup)
2. No "state update on unmounted component" warnings when closing backing track quickly
**Plans**: 1 plan
Plans:
- [x] 27-01-PLAN.md - Use openBackingTrack action and add async cleanup ✓
**Completed:** 2026-02-26
---
## Milestone Summary
**Descoped Phases:**
- Phase 28: Metronome Responsiveness — descoped as responsiveness was satisfactory after Phase 26-27 improvements
**Key Decisions:**
- Keep WindowPortal for Metronome (consistency with JamTrack, BackingTrack, Chat)
- 300ms debounce for responsive UI while avoiding excessive native client calls
- WindowPortal sizing should match content dimensions plus padding (420px + 40px = 460px)
- Use noopener,noreferrer for security on window.open calls
- cleanupJamTrackCallbacks is a simple function (not thunk) since it only manipulates window globals
- Controls render when downloadState is 'synchronized' only (removed 'idle' from conditions)
- Call checkJamTrackSync BEFORE dispatching setSelectedJamTrack/setJamTrackStems
- Call loadJamTrack when syncResult.isSynchronized is false to trigger download flow
- Use openBackingTrack action instead of direct jamClient call for centralized sync
- Use ignore flag pattern (not AbortController) for simple async cleanup
**Issues Resolved:**
- JamTrack player showed empty controls before backend processing complete
- JamTrack player window had scrollbars due to incorrect sizing
- "Create custom mix" button did nothing
- Memory leaks from unreleased JamTrack callbacks
- Backing track didn't appear in session screen (only popup)
- State update warnings when closing backing track quickly
**Issues Deferred:**
- Metronome debounce (MET-01, MET-02) — responsiveness satisfactory
**Technical Debt Incurred:**
- None identified
---
*For current project status, see .planning/ROADMAP.md*
*Archived: 2026-03-03*