gurixandClaude Opus 4.6
494385b528
35 traffic classes across 9 protocol families shipped. Archives ROADMAP, REQUIREMENTS, and phase directories to milestones/v1.2-*. Updates README with new protocol families, sound design table, and [groups] TOML config documentation. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
119 lines
8.4 KiB
Markdown
119 lines
8.4 KiB
Markdown
---
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phase: 09-frequency-design-and-group-architecture
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verified: 2026-03-27T00:00:00Z
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status: passed
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score: 4/4 success criteria verified
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re_verification: false
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---
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# Phase 9: Frequency Design and Group Architecture Verification Report
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**Phase Goal:** A complete, documented frequency allocation table for all ~35 traffic classes exists and the FreqConfig struct carries a Group field — design decisions are locked in before any protocol code is written
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**Verified:** 2026-03-27
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**Status:** passed
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**Re-verification:** No — initial verification
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---
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## Goal Achievement
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### Observable Truths (from ROADMAP.md Success Criteria)
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| # | Truth | Status | Evidence |
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|---|-------|--------|----------|
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| 1 | A written frequency allocation table lists every built-in class, its Hz value, waveform, and group — no class is TBD | VERIFIED | 32-slot table comment in `synth/config.go` lines 74-110; all 14 existing classes have concrete Hz/waveform/group; Phase 10 slots marked `(Phase 10)` in comments only |
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| 2 | Every within-family pair satisfies at least a major second interval (ratio >= 1.122) | VERIFIED | Computed ratios: ICMP->NTP=1.1231, NTP->DHCP=1.1233, DHCP->DNS=1.6220, HTTPS->HTTP=1.1267, Unknown1->2=1.1232, 2->3=1.1224, 3->4=1.1224, 4->OtherTCP=1.1228, OtherTCP->OtherUDP=1.1224 — all pass |
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| 3 | `autoAssignFreq` base for user-defined custom classes is set above all built-in frequencies, with no collision possible | VERIFIED | `baseHz = 2500.0`, `numSteps = uint32(31)`, `stepHz = 50.0` in `config/config.go:214-216`; range [2500, 4000] is 51 Hz above the highest built-in slot at 2449 Hz |
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| 4 | `FreqConfig` has a `Group` string field and all existing `ClassFreqConfigs` entries compile with the new struct shape | VERIFIED | `Group string` field at `synth/config.go:71`; `grep -c 'Group:' synth/config.go` = 14; `go test ./...` passes all 7 packages |
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**Score:** 4/4 truths verified
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---
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## Required Artifacts
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| Artifact | Expected | Status | Details |
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|----------|----------|--------|---------|
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| `synth/config.go` | FreqConfig with Group field, rebalanced ClassFreqConfigs, frequency allocation table comment | VERIFIED | `Group string` field exists; 32-slot allocation table present; all 14 entries populated with Phase 9 Hz values, family waveforms, and Group strings |
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| `synth/config_test.go` | TestGroupFieldPopulated, updated TestHarmonicsNonEmpty | VERIFIED | `TestGroupFieldPopulated` at line 63; `len(cfg.Harmonics) < 1` threshold at line 42 |
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| `config/config.go` | Updated autoAssignFreq with baseHz=2500.0, numSteps=31 | VERIFIED | `baseHz = 2500.0` at line 214; `numSteps = uint32(31)` at line 216; comment updated to `[2500, 4000]` |
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| `config/config_test.go` | Updated range assertion to [2500, 4000] | VERIFIED | `cfg.BaseHz < 2500.0 || cfg.BaseHz > 4000.0` at line 365; HTTPS expected value updated from 175.0 to 150.0 |
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---
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## Key Link Verification
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| From | To | Via | Status | Details |
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|------|-----|-----|--------|---------|
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| `synth/config.go` | `classify/types.go` | ClassFreqConfigs map keys reference `classify.TrafficClass` constants | VERIFIED | All 14 map keys use `classify.ClassICMP`, `classify.ClassDNS`, etc. — confirmed by `go build` success and test run |
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| `config/config.go` | `synth/config.go` | `addAutoFreqEntries` creates `synth.FreqConfig` entries | VERIFIED | `synth.FreqConfig{...}` literal in `addAutoFreqEntries` at line 228-233; `TestAutoFreqAssignment` passes |
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---
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## Data-Flow Trace (Level 4)
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Not applicable. Phase 9 produces configuration data (Go structs and constants), not UI/rendering components. The data flow is compile-time: `ClassFreqConfigs` map is a package-level `var` consumed at runtime by `config.Load()` and `synth.NewBank()`. Both consumers compile and their tests pass, confirming integration.
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---
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## Behavioral Spot-Checks
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| Behavior | Command | Result | Status |
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|----------|---------|--------|--------|
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| All synth tests pass including TestGroupFieldPopulated | `go test ./synth/... -count=1` | 42 tests PASS | PASS |
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| All config tests pass including TestAutoFreqAssignment | `go test ./config/... -count=1` | PASS | PASS |
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| Full suite compiles and passes | `go test ./... -count=1` | 7 packages, all PASS | PASS |
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| autoAssignFreq math correct: 2500 + 30*50 = 4000 | Calculated | 4000.0 | PASS |
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| All 14 ClassFreqConfigs entries have non-empty Group | `grep -c 'Group:' synth/config.go` | 14 | PASS |
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| Within-family ratios all >= 1.122 | Computed from Hz values | Min ratio = 1.1224 | PASS |
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---
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## Requirements Coverage
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| Requirement | Source Plan | Description | Status | Evidence |
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|-------------|-------------|-------------|--------|----------|
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| FREQ-01 | 09-01 | All traffic classes redistributed into group-coherent frequency bands using musical interval ratios | SATISFIED | 14 existing classes redistributed to major-second ladder bands: Infrastructure 65-133 Hz, Web 150-169 Hz, Mail 214 Hz, Remote Access 343 Hz, Unknown 771-1375 Hz. REQUIREMENTS.md status shows "Pending" but is a stale tracking artifact — implementation is complete. |
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| FREQ-02 | 09-01 | Within-family protocols separated by at least a major second interval (ratio 1.122) | SATISFIED | All computed within-family ratios pass: min observed 1.1224. REQUIREMENTS.md shows "Pending" — stale. |
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| FREQ-03 | 09-01 | Full frequency allocation table designed and documented before FreqConfig code is written | SATISFIED | 32-slot table in `synth/config.go` lines 74-110 documents Hz, class, group, waveform, pan for every built-in slot including Phase 10 placeholders. REQUIREMENTS.md shows "Pending" — stale. |
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| FREQ-04 | 09-02 | Auto-assign range updated to avoid collision with new built-in frequencies | SATISFIED | `baseHz = 2500.0`, `numSteps = 31`; REQUIREMENTS.md correctly marks this as "Complete". |
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| GRP-01 | 09-01 | Each traffic class belongs to a named group | SATISFIED (for existing 14 classes) | All 14 `ClassFreqConfigs` entries have non-empty Group values (4 Infrastructure, 2 Web, 1 Mail, 1 Remote Access, 6 Unknown). Full satisfaction of groups including File Transfer, Database, Discovery, VoIP requires Phase 10 classes. REQUIREMENTS.md shows "Pending" — stale for partial; fully correct for Phase 10 expectation. |
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| GRP-04 | 09-01 | FreqConfig gains a `Group` field that drives group-aware frequency allocation and config output | SATISFIED | `Group string` field at `synth/config.go:71`; field is populated for all 14 entries; `TestGroupFieldPopulated` enforces this contract. REQUIREMENTS.md shows "Pending" — stale. |
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### Requirements Status Note
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REQUIREMENTS.md shows FREQ-01, FREQ-02, FREQ-03, GRP-01, GRP-04 as "Pending" and FREQ-04 as "Complete". The "Pending" status is a stale tracking artifact — ROADMAP.md also shows plan 09-01 checkbox as `[ ]` rather than `[x]` despite three commits (eb36587, 2ef180b, fe7ee0e) fully executing the plan. The code, tests, and commit history confirm all requirements are implemented. REQUIREMENTS.md and the ROADMAP.md plan checkbox for 09-01 need updating.
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### Orphaned Requirements
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None. All requirement IDs declared in the phase (FREQ-01 through FREQ-04, GRP-01, GRP-04) are accounted for above.
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---
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## Anti-Patterns Found
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| File | Line | Pattern | Severity | Impact |
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|------|------|---------|----------|--------|
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| None | — | — | — | — |
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No TODO/FIXME/placeholder comments found in modified files. No empty implementations or hardcoded empty data in rendered paths. Unknown-family entries use hand-tuned `[]HarmonicDef{{1,1.0},{2,0.8},{3,0.4}}` by design (not a stub — WaveformType is intentionally WaveformCustom per D-05/D-06).
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---
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## Human Verification Required
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None. Phase 9 produces data structures and constants with no UI, audio playback, or external service dependencies. All behaviors are fully verifiable via compile + test.
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---
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## Gaps Summary
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No gaps. All 4 success criteria are verified against the actual codebase. The frequency allocation table exists as a code comment covering all 32 designed slots. The FreqConfig struct has the Group field. All 14 existing ClassFreqConfigs entries carry correct Hz values on the major-second ladder, family-matched waveforms, and non-empty Group strings. The autoAssignFreq range is [2500, 4000] Hz with a 51 Hz buffer above the highest built-in slot. All 7 packages compile and their full test suites pass.
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**Tracking artifact to fix:** REQUIREMENTS.md should mark FREQ-01, FREQ-02, FREQ-03, GRP-01, GRP-04 as "Complete". ROADMAP.md should mark 09-01-PLAN.md as `[x]` and change "1/2 plans executed" to "2/2 plans executed".
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---
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_Verified: 2026-03-27_
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_Verifier: Claude (gsd-verifier)_
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