feat: SIN Fusion v1 — plan-merge, Oracle default, modelperf registry (#393, #394, #395) - #397
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June 18, 2026 13:02
…issue #395) - internal/modelperf/store.go: SQLite store with upsert + recommend + ranking - internal/modelperf/benchmark.go: parallel benchmark runner across providers - internal/modelperf/*_test.go: 15 tests, race-clean - fusion_cmd.go: benchmark/rank/recommend subcommands added to existing CLI - loopbuilder/builder.go: recommendation-aware provider selection - Opens modelperf.db, detects task category, sorts providers by score - Cold-start: falls back to full pool if no data - Config.TaskDescription field for category detection - DetectCategory heuristic: 7 task categories from prompt keywords - Score: 80% pass_rate + 20% cost-efficiency
…393, #394, #395) #393: ModePlanMerge — N planners → judge merges → 1 coder → verify #394: Oracle is now default fusion mode (quality over cost) #395: Model Performance Registry — benchmark/rank/recommend CLI + recommendation-aware provider selection in loopbuilder Files: - internal/fusion/plan_merge.go + test (10 tests) - internal/fusion/tournament.go: PlanMergeJudge field + dispatch - internal/modelperf/store.go + benchmark.go + tests (15 tests) - fusion_cmd.go: 6 subcommands (status/config/providers/benchmark/rank/recommend) - main.go: NewFusionCmd registered - loopbuilder/builder.go: Oracle default, FusionMode config, modelperf wiring - Pre-existing: llm ThinkingTokens, agentloop compaction_helpers
…registry.go duplicate)
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| if path == "" { | ||
| path = DefaultPath() | ||
| } | ||
| if err := os.MkdirAll(filepath.Dir(path), 0o755); err != nil { |
| for _, r := range out.Results { | ||
| fmt.Fprintf(w, "%s\t%.1f%%\t%v\t$%.4f\n", r.Model, r.PassRate*100, r.AvgLatency, r.AvgCost) | ||
| } | ||
| w.Flush() |
| w := tabwriter.NewWriter(os.Stdout, 0,0,2,' ',0) | ||
| fmt.Fprintf(w, "Category\tModel\tPass Rate\tSamples\tCost\n") | ||
| for _, r := range recs { fmt.Fprintf(w, "%s\t%s\t%.1f%%\t%d\t$%.4f\n", r.Category, r.Model, r.PassRate*100, r.SampleCount, r.AvgCostUSD) } | ||
| w.Flush() |
| w := tabwriter.NewWriter(os.Stdout, 0,0,2,' ',0) | ||
| fmt.Fprintf(w, "Rank\tModel\tScore\tPass Rate\tSamples\n") | ||
| for i, r := range recs { fmt.Fprintf(w, "%d\t%s\t%.3f\t%.1f%%\t%d\n", i+1, r.Model, r.Score, r.PassRate*100, r.Samples) } | ||
| w.Flush() |
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Summary
Three SIN Fusion v1 enhancements for v3.22.0:
#393 — Plan-Merge Mode
N models plan in parallel → LLM judge merges best insights → 1 model codes → verify-gate. Unlike PoC/Oracle, preserves all insights.
#394 — Oracle as Default
Default fusion mode: PoC → Oracle (quality over cost).
fusion.modeconfig:poc|oracle|plan-merge.#395 — Model Performance Registry
SQLite-backed per-model-per-category benchmark DB.
sin-code fusion benchmark/rank/recommend. Auto-wired into loopbuilder — recommended models prioritized.Verification