docs(02-01): update state and roadmap after synth foundation plan

- Advance to Plan 2 of 3 in Phase 02
- Mark SYNTH-01, SYNTH-02 requirements complete
- Record decisions: go-lame v0.0.9, no go-audio/wav
This commit is contained in:
2026-03-26 12:00:20 +01:00
parent 6cbf0366da
commit f02231a690
3 changed files with 19 additions and 16 deletions
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@@ -25,8 +25,8 @@ Requirements for initial release. Each maps to roadmap phases.
### Audio Synthesis ### Audio Synthesis
- [ ] **SYNTH-01**: Each traffic class generates a distinct ambient/drone layer (layered sine/harmonic waves) - [x] **SYNTH-01**: Each traffic class generates a distinct ambient/drone layer (layered sine/harmonic waves)
- [ ] **SYNTH-02**: Drone layer amplitudes evolve over time windows based on traffic volume per class - [x] **SYNTH-02**: Drone layer amplitudes evolve over time windows based on traffic volume per class
- [ ] **SYNTH-03**: Multiple drone layers are mixed into a single coherent audio stream without distortion - [ ] **SYNTH-03**: Multiple drone layers are mixed into a single coherent audio stream without distortion
### Output ### Output
@@ -76,8 +76,8 @@ Which phases cover which requirements. Updated during roadmap creation.
| CLAS-02 | Phase 3 | Pending | | CLAS-02 | Phase 3 | Pending |
| CLAS-03 | Phase 1 | Complete | | CLAS-03 | Phase 1 | Complete |
| CLAS-04 | Phase 1 | Complete | | CLAS-04 | Phase 1 | Complete |
| SYNTH-01 | Phase 2 | Pending | | SYNTH-01 | Phase 2 | Complete |
| SYNTH-02 | Phase 2 | Pending | | SYNTH-02 | Phase 2 | Complete |
| SYNTH-03 | Phase 2 | Pending | | SYNTH-03 | Phase 2 | Pending |
| OUT-01 | Phase 2 | Pending | | OUT-01 | Phase 2 | Pending |
| OUT-02 | Phase 2 | Pending | | OUT-02 | Phase 2 | Pending |
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@@ -47,7 +47,7 @@ Plans:
3. Drone layer amplitude rises and falls with traffic volume over time — sustained traffic sounds louder, quiet periods fade 3. Drone layer amplitude rises and falls with traffic volume over time — sustained traffic sounds louder, quiet periods fade
4. User can specify output path via `-o` flag; it defaults to `netsynth-<timestamp>.mp3` when omitted 4. User can specify output path via `-o` flag; it defaults to `netsynth-<timestamp>.mp3` when omitted
5. An empty (zero-packet) input produces a clear error message instead of a corrupt or zero-byte MP3 5. An empty (zero-packet) input produces a clear error message instead of a corrupt or zero-byte MP3
**Plans:** 3 plans **Plans:** 0/3 plans executed
Plans: Plans:
- [ ] 02-01-PLAN.md — Environment setup (gcc, ffprobe, go-lame), synth config table, oscillator, EMA layer with tests - [ ] 02-01-PLAN.md — Environment setup (gcc, ffprobe, go-lame), synth config table, oscillator, EMA layer with tests
@@ -82,6 +82,6 @@ Phases execute in numeric order: 1 → 2 → 3 → 4
| Phase | Plans Complete | Status | Completed | | Phase | Plans Complete | Status | Completed |
|-------|----------------|--------|-----------| |-------|----------------|--------|-----------|
| 1. Capture and Classification | 4/4 | Complete | 2026-03-25 | | 1. Capture and Classification | 4/4 | Complete | 2026-03-25 |
| 2. Audio Synthesis Engine | 0/3 | Planning complete | - | | 2. Audio Synthesis Engine | 0/3 | Planned | |
| 3. Pipeline Integration and MVP | 0/? | Not started | - | | 3. Pipeline Integration and MVP | 0/? | Not started | - |
| 4. Power User Features | 0/? | Not started | - | | 4. Power User Features | 0/? | Not started | - |
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@@ -2,13 +2,13 @@
gsd_state_version: 1.0 gsd_state_version: 1.0
milestone: v1.0 milestone: v1.0
milestone_name: milestone milestone_name: milestone
status: Ready to plan status: Ready to execute
stopped_at: Phase 2 context gathered stopped_at: "Completed 02-01: synth config, oscillator, and layer"
last_updated: "2026-03-26T10:19:44.843Z" last_updated: "2026-03-26T10:59:51.259Z"
progress: progress:
total_phases: 4 total_phases: 4
completed_phases: 1 completed_phases: 1
total_plans: 4 total_plans: 7
completed_plans: 4 completed_plans: 4
--- ---
@@ -19,12 +19,12 @@ progress:
See: .planning/PROJECT.md (updated 2026-03-24) See: .planning/PROJECT.md (updated 2026-03-24)
**Core value:** Network traffic patterns are instantly recognizable as distinct sounds — a ping sounds different from HTTPS noise, which sounds different from a port scan. **Core value:** Network traffic patterns are instantly recognizable as distinct sounds — a ping sounds different from HTTPS noise, which sounds different from a port scan.
**Current focus:** Phase 01capture-and-classification **Current focus:** Phase 02audio-synthesis-engine
## Current Position ## Current Position
Phase: 2 Phase: 02 (audio-synthesis-engine) — EXECUTING
Plan: Not started Plan: 2 of 3
## Performance Metrics ## Performance Metrics
@@ -50,6 +50,7 @@ Plan: Not started
| Phase 01 P03 | 8 | 2 tasks | 4 files | | Phase 01 P03 | 8 | 2 tasks | 4 files |
| Phase 01-capture-and-classification P02 | 3min | 1 tasks | 4 files | | Phase 01-capture-and-classification P02 | 3min | 1 tasks | 4 files |
| Phase 01-capture-and-classification P04 | 15min | 2 tasks | 2 files | | Phase 01-capture-and-classification P04 | 15min | 2 tasks | 2 files |
| Phase 02 P01 | 15min | 2 tasks | 8 files |
## Accumulated Context ## Accumulated Context
@@ -73,6 +74,8 @@ Recent decisions affecting current work:
- [Phase 01-capture-and-classification]: Dynamic link type detection via handle.LinkType() not hardcoded LinkTypeEthernet - [Phase 01-capture-and-classification]: Dynamic link type detection via handle.LinkType() not hardcoded LinkTypeEthernet
- [Phase 01-04]: Cobra RunE + signal.NotifyContext for clean shutdown: context cancellation is the single stop signal propagating through all three pipeline stages - [Phase 01-04]: Cobra RunE + signal.NotifyContext for clean shutdown: context cancellation is the single stop signal propagating through all three pipeline stages
- [Phase 01-04]: Three-stage pipeline: capture -> classify goroutine -> aggregate via buffered channels; 1024-buffered classified channel absorbs burst processing - [Phase 01-04]: Three-stage pipeline: capture -> classify goroutine -> aggregate via buffered channels; 1024-buffered classified channel absorbs burst processing
- [Phase 02]: go-lame v0.0.9 used for MP3 encoding (embedded LAME C source, no system library needed)
- [Phase 02]: go-audio/wav excluded — writing PCM bytes directly to LameWriter is simpler (per Claude's Discretion grant in CONTEXT.md)
### Pending Todos ### Pending Todos
@@ -86,6 +89,6 @@ None yet.
## Session Continuity ## Session Continuity
Last session: 2026-03-26T10:19:44.836Z Last session: 2026-03-26T10:59:51.252Z
Stopped at: Phase 2 context gathered Stopped at: Completed 02-01: synth config, oscillator, and layer
Resume file: .planning/phases/02-audio-synthesis-engine/02-CONTEXT.md Resume file: None