docs(07-01): complete config rule parsing and LoadResult plan
- Add 07-01-SUMMARY.md - Advance STATE.md to plan 2 of 2, progress 83% - Update ROADMAP.md: phase 7 in progress (1/2 summaries) - Mark RULE-01, RULE-02, RULE-03 complete in REQUIREMENTS.md
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@@ -23,9 +23,9 @@ Requirements for custom sound mappings milestone. Each maps to roadmap phases.
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### Custom Rules
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- [ ] **RULE-01**: User can define custom classification rules in TOML (match by port and/or protocol, assign class name and sound)
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- [ ] **RULE-02**: User-defined rules take priority over built-in rules (prepend before defaults)
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- [ ] **RULE-03**: User-defined class names automatically get a synthesis layer (no silent gaps)
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- [x] **RULE-01**: User can define custom classification rules in TOML (match by port and/or protocol, assign class name and sound)
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- [x] **RULE-02**: User-defined rules take priority over built-in rules (prepend before defaults)
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- [x] **RULE-03**: User-defined class names automatically get a synthesis layer (no silent gaps)
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## Future Requirements
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@@ -64,9 +64,9 @@ Which phases cover which requirements. Updated during roadmap creation.
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| CFG-06 | Phase 7 | Pending |
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| WAVE-01 | Phase 5 | Complete |
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| WAVE-02 | Phase 5 | Complete |
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| RULE-01 | Phase 7 | Pending |
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| RULE-02 | Phase 7 | Pending |
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| RULE-03 | Phase 7 | Pending |
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| RULE-01 | Phase 7 | Complete |
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| RULE-02 | Phase 7 | Complete |
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| RULE-03 | Phase 7 | Complete |
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**Coverage:**
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- v1.1 requirements: 11 total
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@@ -68,10 +68,10 @@ Plans:
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2. User-defined rules fire before built-in protocol rules — a custom rule for port 443 overrides the default HTTPS classification for packets on that port
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3. A user-defined class name gets its own synthesis layer automatically — no silence or missing audio for traffic matched by a custom rule
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4. User runs `netsynth --print-config` and sees the full effective config (defaults merged with their overrides) as commented TOML, without starting a capture
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**Plans:** 2 plans
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**Plans:** 1/2 plans executed
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Plans:
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- [ ] 07-01-PLAN.md — Config extension: RawRule, LoadResult, rule validation, auto-freq assignment (TDD)
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- [x] 07-01-PLAN.md — Config extension: RawRule, LoadResult, rule validation, auto-freq assignment (TDD)
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- [ ] 07-02-PLAN.md — CLI wiring: --print-config flag, user rule prepend, PrintConfig output
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## Progress
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@@ -84,4 +84,4 @@ Plans:
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| 4. Power User Features | v1.0 | 2/2 | Complete | 2026-03-26 |
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| 5. Waveform Types and Bank Decoupling | v1.1 | 2/2 | Complete | 2026-03-26 |
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| 6. Config Package and Sound Overrides | v1.1 | 2/2 | Complete | 2026-03-26 |
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| 7. Custom Rules and Print-Config | v1.1 | 0/2 | Not started | - |
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| 7. Custom Rules and Print-Config | v1.1 | 1/2 | In Progress| |
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+13
-10
@@ -3,14 +3,14 @@ gsd_state_version: 1.0
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milestone: v1.1
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milestone_name: Custom Sound Mappings
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status: executing
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stopped_at: Phase 7 context gathered
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last_updated: "2026-03-26T20:27:34.725Z"
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stopped_at: Completed 07-01-PLAN.md
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last_updated: "2026-03-26T20:45:59.826Z"
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last_activity: 2026-03-26
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progress:
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total_phases: 3
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completed_phases: 2
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total_plans: 4
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completed_plans: 4
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total_plans: 6
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completed_plans: 5
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percent: 0
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---
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@@ -21,12 +21,12 @@ progress:
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See: .planning/PROJECT.md (updated 2026-03-26)
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**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.
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**Current focus:** Phase 06 — config-package-and-sound-overrides
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**Current focus:** Phase 07 — custom-rules-and-print-config
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## Current Position
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Phase: 7
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Plan: Not started
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Phase: 07 (custom-rules-and-print-config) — EXECUTING
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Plan: 2 of 2
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Status: Ready to execute
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Last activity: 2026-03-26
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@@ -53,6 +53,7 @@ Progress: [░░░░░░░░░░] 0%
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| Phase 05 P01 | 3min | 2 tasks | 3 files |
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| Phase 05 P02 | 4 | 2 tasks | 4 files |
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| Phase 06 P02 | 2 | 2 tasks | 3 files |
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| Phase 07 P01 | 3 | 1 tasks | 3 files |
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## Accumulated Context
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@@ -67,6 +68,8 @@ Progress: [░░░░░░░░░░] 0%
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- [Phase 05]: gainPerLayer computed as 1.0/float64(len(cfgs)) — correct for any class count, no-clip guarantee preserved
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- [Phase 06]: Option A for freqCfgs propagation: pass as parameter to runLiveMode/runPcapMode — cleaner data flow vs package-level var
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- [Phase 06]: config.Load positioned after BPF validation, before output path resolution — ensures fail-fast before any I/O (D-11)
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- [Phase 07]: addAutoFreqEntries runs before merge so [sounds.X] overrides apply to user-defined classes
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- [Phase 07]: LoadResult struct chosen over tuple return for config.Load() -- cleaner API contract for Plan 02 CLI wiring
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### Pending Todos
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@@ -78,6 +81,6 @@ None.
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## Session Continuity
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Last session: 2026-03-26T20:27:34.717Z
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Stopped at: Phase 7 context gathered
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Resume file: .planning/phases/07-custom-rules-and-print-config/07-CONTEXT.md
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Last session: 2026-03-26T20:45:59.819Z
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Stopped at: Completed 07-01-PLAN.md
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Resume file: None
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@@ -0,0 +1,94 @@
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---
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phase: 07-custom-rules-and-print-config
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plan: "01"
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subsystem: config
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tags: [config, rules, tdd, classification, auto-freq]
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dependency_graph:
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requires: []
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provides: [LoadResult, RawRule, validateRules, convertRules, autoAssignFreq, addAutoFreqEntries]
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affects: [cmd/netsynth/main.go]
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tech_stack:
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added: ["hash/fnv"]
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patterns: [LoadResult-struct, FNV-32a-deterministic-hash, TDD-red-green]
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key_files:
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created: []
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modified:
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- config/config.go
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- config/config_test.go
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- cmd/netsynth/main.go
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decisions:
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- "addAutoFreqEntries runs before merge so [sounds.X] overrides apply to user-defined classes"
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- "merge() warning for unknown class names still fires for [sounds.X] where X is neither built-in nor in [[rules]] -- acceptable harmless warning"
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- "main.go call site updated to use LoadResult.FreqCfgs -- minimal fix to keep compile; full wiring deferred to Plan 02"
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metrics:
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duration: 3min
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completed: "2026-03-26T20:45:08Z"
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tasks_completed: 1
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files_modified: 3
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---
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# Phase 7 Plan 01: Config Rule Parsing and LoadResult Summary
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Extend config package to parse `[[rules]]` TOML blocks, validate them, auto-assign frequencies for new class names using FNV-32a, and return a `LoadResult` struct from `Load()`.
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## What Was Built
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`config.Load()` now returns `LoadResult{FreqCfgs, UserRules, ConfigPath}` instead of a bare map. The new struct is the data contract for Plan 02's CLI wiring and `--print-config` output.
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**New types and functions in config/config.go:**
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- `RawRule` struct: `Port *uint16`, `Protocol string`, `Class string` — pointer Port to distinguish missing vs zero
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- `LoadResult` struct: `FreqCfgs`, `UserRules []classify.Rule`, `ConfigPath string`
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- `validateRules()`: checks protocol required, class required, valid protocols (tcp/udp/icmp)
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- `convertRules()`: converts `[]RawRule` to `[]classify.Rule`
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- `autoAssignFreq()`: FNV-32a hash → deterministic Hz in [1200, 2350] range (24 steps of 50Hz)
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- `addAutoFreqEntries()`: creates `FreqConfig` entries for new class names, skips built-ins
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- Import: `hash/fnv`
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**Key operation order:** `addAutoFreqEntries` runs before `merge` so that `[sounds.MyApp]` sound overrides apply to user-defined classes that were added by auto-freq.
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## Tasks Completed
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| Task | Name | Commit | Files |
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|------|------|--------|-------|
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| 1 | RawRule, LoadResult, validation, conversion, auto-freq with TDD | 4b365cd | config/config.go, config/config_test.go, cmd/netsynth/main.go |
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## Deviations from Plan
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### Auto-fixed Issues
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**1. [Rule 1 - Bug] Operation order: addAutoFreqEntries must run before merge**
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- **Found during:** Task 1 GREEN phase
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- **Issue:** Plan's action section said "merge first, then addAutoFreqEntries" but this caused [sounds.MyApp] overrides to be ignored for user-defined classes (merge only applies to classes already in the map)
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- **Fix:** Reversed the order — addAutoFreqEntries first (creates the entry), then merge (applies sound overrides)
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- **Files modified:** config/config.go
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- **Commit:** 4b365cd
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**2. [Rule 3 - Blocking] main.go call site updated to use LoadResult**
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- **Found during:** Task 1 GREEN phase
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- **Issue:** Plan notes this break is expected but tests wouldn't compile without it
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- **Fix:** Minimal one-line update: `loadResult, err := config.Load(...)` + `freqCfgs := loadResult.FreqCfgs`
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- **Files modified:** cmd/netsynth/main.go
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- **Commit:** 4b365cd
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## Test Coverage
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21 tests total (8 existing + 13 new):
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- `TestLoadCustomRules` - TOML [[rules]] block with port/protocol/class
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- `TestLoadCustomRuleNoPort` - optional port field, DstPort=0 when absent
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- `TestLoadCustomRuleMissingProtocol` - validation error "protocol is required"
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- `TestLoadCustomRuleMissingClass` - validation error "class is required"
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- `TestLoadCustomRuleInvalidProtocol` - validation error "invalid protocol"
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- `TestLoadCustomRuleUnknownField` - undecoded TOML field error
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- `TestUserRulesPrepend` - UserRules field usable for prepend pattern
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- `TestAutoFreqAssignment` - BaseHz in [1200, 2350], WaveformSine
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- `TestAutoFreqDeterministic` - same class name produces same Hz
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- `TestAutoFreqSkipsBuiltins` - HTTPS stays at 175.0 default
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- `TestLoadResultConfigPath` - ConfigPath populated correctly
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- `TestLoadNoConfigReturnsLoadResult` - returns LoadResult with empty UserRules
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- All 8 existing tests updated to use `result.FreqCfgs`
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## Known Stubs
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None. All new functions are fully implemented and tested.
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## Self-Check: PASSED
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