feat(offscreen): read recent proposals into the brief; prompt follows up

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

internal/mode/offscreen/collect.go

@@ -2,9 +2,11 @@ package offscreen
 
 import (
 	"context"
+	"fmt"
 	"os"
 	"path/filepath"
 	"strings"
+	"time"
 	"unicode/utf8"
 )
 
@@ -17,6 +19,12 @@ const maxBriefBytes = 8 * 1024
 // bugGlob matches the life-domain ("life-bug") notes under ~/owc/resources.
 const bugGlob = "bug-*.md"
 
+const (
+	recentProposals = 5  // how many recent proposals to show
+	outcomeScan     = 50 // how many outcome events to scan for correlation
+	recentWindow    = 7 * 24 * time.Hour
+)
+
 // assembleBrief builds the off-screen prompt context from today's tasks, the
 // standing goals note, and the life-domain notes. It is best-effort: it never
 // panics and never returns an error, and it tolerates nil ports and missing
@@ -28,6 +36,12 @@ func (m *Mode) assembleBrief() string {
 	b.WriteString(m.briefTasks())
 	b.WriteString("\n")
 
+	if hist := m.briefHistory(); hist != "" {
+		b.WriteString("## Recently proposed\n")
+		b.WriteString(hist)
+		b.WriteString("\n")
+	}
+
 	if goals := m.briefGoals(); goals != "" {
 		b.WriteString("## Goals\n")
 		b.WriteString(goals)
@@ -117,6 +131,71 @@ func (m *Mode) briefLifeDomains() string {
 	return strings.TrimRight(b.String(), "\n")
 }
 
+// briefHistory renders recent proposals with their outcome, newest first and
+// within recentWindow. Returns "" when there is no memory or no recent history.
+func (m *Mode) briefHistory() string {
+	if m.mem == nil {
+		return ""
+	}
+	ctx := context.Background()
+	proposals, err := m.mem.Recent(ctx, kindProposalMade, recentProposals)
+	if err != nil || len(proposals) == 0 {
+		return ""
+	}
+	taken := m.idSet(ctx, kindActionTaken)
+	dismissed := m.idSet(ctx, kindProposalDismissed)
+	now := m.now()
+
+	var b strings.Builder
+	for _, ev := range proposals {
+		if now.Sub(ev.At) > recentWindow {
+			continue
+		}
+		id, _ := ev.Data["proposal_id"].(string)
+		action, _ := ev.Data["next_action"].(string)
+		if action == "" {
+			continue
+		}
+		outcome := "unactioned"
+		if taken[id] {
+			outcome = "confirmed"
+		} else if dismissed[id] {
+			outcome = "dismissed"
+		}
+		fmt.Fprintf(&b, "- %q (%s, %s)\n", action, outcome, relativeAge(now.Sub(ev.At)))
+	}
+	return b.String()
+}
+
+// idSet reads recent events of a kind and returns their proposal_ids as a set.
+func (m *Mode) idSet(ctx context.Context, kind string) map[string]bool {
+	out := map[string]bool{}
+	evs, err := m.mem.Recent(ctx, kind, outcomeScan)
+	if err != nil {
+		return out
+	}
+	for _, e := range evs {
+		if id, _ := e.Data["proposal_id"].(string); id != "" {
+			out[id] = true
+		}
+	}
+	return out
+}
+
+// relativeAge renders a coarse human age for a duration.
+func relativeAge(d time.Duration) string {
+	switch {
+	case d < time.Minute:
+		return "just now"
+	case d < time.Hour:
+		return fmt.Sprintf("%dm ago", int(d.Minutes()))
+	case d < 24*time.Hour:
+		return fmt.Sprintf("%dh ago", int(d.Hours()))
+	default:
+		return fmt.Sprintf("%dd ago", int(d.Hours()/24))
+	}
+}
+
 // truncateBrief clips s to at most max bytes with a marker, keeping the prompt
 // bounded. It backs up to a rune boundary so it never splits a multibyte rune.
 func truncateBrief(s string, max int) string {