chore: sync from fn-registry agent

propose.go

@@ -0,0 +1,62 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"fn-registry/functions/infra"
+)
+
+// runPropose invokes the proposal generator pipeline and persists drafts
+// into registry.db.proposals (INSERT OR IGNORE — never overwrites reviewed).
+func runPropose(rootOverride string, dryRun bool) {
+	root := resolveRegistryRoot(rootOverride)
+	if _, err := os.Stat(rootOverride + "/registry.db"); err != nil && rootOverride != "" {
+		// fall back to walk-up
+		root = resolveRegistryRoot("")
+	}
+	if _, err := os.Stat(root + "/registry.db"); err != nil {
+		fmt.Fprintf(os.Stderr, "error: registry.db not found under %s\n", root)
+		os.Exit(1)
+	}
+
+	drafts, err := infra.GenerateProposalsFromTelemetry(root)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "error: generate: %v\n", err)
+		os.Exit(1)
+	}
+
+	if len(drafts) == 0 {
+		fmt.Println("propose: no proposal drafts generated (insufficient telemetry or all rules pass).")
+		return
+	}
+
+	// Group by rule for the summary
+	byRule := map[string]int{}
+	for _, d := range drafts {
+		byRule[d.RuleID]++
+	}
+
+	fmt.Printf("propose: %d draft(s) generated\n", len(drafts))
+	for rule, n := range byRule {
+		fmt.Printf("  %s: %d\n", rule, n)
+	}
+
+	if dryRun {
+		fmt.Println("\nDRY RUN — drafts NOT persisted. Sample (first 5):")
+		for i, d := range drafts {
+			if i >= 5 {
+				break
+			}
+			fmt.Printf("  [%s] %s  →  %s\n", d.RuleID, d.ID, d.Title)
+		}
+		return
+	}
+
+	inserted, total, err := infra.PersistProposalDrafts(root, drafts)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "error: persist: %v\n", err)
+		os.Exit(1)
+	}
+	fmt.Printf("\npersisted: %d new, %d total (idempotent — existing IDs skipped)\n", inserted, total)
+}