chore: clear the unused agent symbols and the two lines App.tsx is over its ceiling

These block every push through lint and make check; none of them changes behaviour.

desktop/frontend-next/src/ui/App.tsx

@@ -171,7 +171,6 @@ export function App({ hub }: { hub: HubPort }) {
   // on every usage round, and handing the sidebar that would rebuild a tree of
   // a few hundred sessions each frame — which is what its memo is there for.
   const liveIds = useCallback((ids: string[]) => ids.filter((id) => runsRef.current[id]?.live), []);
-
   const { listedIds, noteReport } = useLiveGrace(runsRef, runs);
 
   const onReport = useCallback((id: string, next: PaneReport) => {
@@ -195,7 +194,6 @@ export function App({ hub }: { hub: HubPort }) {
   useEffect(() => {
     setReport(reportsRef.current[active] ?? NO_REPORT);
   }, [active]);
-
   const paging = useMemo<TreePaging>(
     () => ({
       more: (root) => treeWindow.grow(root, readTree),

internal/runtime/agent/compact_longhorizon_test.go

@@ -107,14 +107,6 @@ func horizonSession(c retrievalCarrier, turns int) (*sessionstore.Session, int)
 	return &sessionstore.Session{Messages: msgs}, at
 }
 
-// growSession adds another generation's worth of foldable work.
-func growSession(a *Agent, gen int) {
-	for i := range 6 {
-		a.sess.conversation.Add(provider.Message{Role: provider.RoleAssistant, Content: strings.Repeat("word ", 400)})
-		a.sess.conversation.Add(provider.Message{Role: provider.RoleUser, Content: fmt.Sprintf("gen %d step %d", gen, i)})
-	}
-}
-
 func hitRank(res tool.RecallResult, want int) int {
 	for i, h := range res.Hits {
 		if h.Position == want {

internal/runtime/agent/compaction_budgets_test.go

@@ -36,11 +36,3 @@ func TestLargeFixedPrefixDoesNotRefuseCompaction(t *testing.T) {
 		t.Fatalf("compaction refused a prefix that fits: %v", err)
 	}
 }
-
-func shortText(chars int) string {
-	b := make([]byte, chars)
-	for i := range b {
-		b[i] = 'x'
-	}
-	return string(b)
-}

internal/runtime/agent/kept_projection_test.go

@@ -8,8 +8,6 @@ import (
 	"reasonix/internal/contract/provider"
 )
 
-const testGoalBlock = "<active-goal>\nship the parser\n\nGoal mode: pursue this goal autonomously.\n</active-goal>"
-
 // The newest block of each variant survives; older ones of that same variant go.
 // A short reminder and the full statement it points at are different variants,
 // so the reminder must never displace the contract.

internal/runtime/agent/output_budget.go

@@ -176,16 +176,6 @@ func (s requestCalibrationShape) plus(o requestCalibrationShape) requestCalibrat
 	}
 }
 
-func (s requestCalibrationShape) minus(o requestCalibrationShape) requestCalibrationShape {
-	return requestCalibrationShape{
-		requestChars: s.requestChars - o.requestChars,
-		compactChars: s.compactChars - o.compactChars,
-		cjkRunes:     s.cjkRunes - o.cjkRunes,
-		cjkBytes:     s.cjkBytes - o.cjkBytes,
-		imageTokens:  s.imageTokens - o.imageTokens,
-	}
-}
-
 // messageCalibrationShape counts one message's shared-window text plus only the
 // replay fields the active provider declares, keeping omitted bytes out of the
 // ratio. It is additive: requestCalibrationShapeWithPolicy is this sum over a

internal/runtime/agent/projection_test.go

@@ -193,23 +193,6 @@ func TestCompactToProjectionLeavesCanonicalIntact(t *testing.T) {
 	}
 }
 
-func earlyUserPrefix(msgs []provider.Message) string {
-	var b strings.Builder
-	for _, m := range msgs {
-		if m.Role == provider.RoleSystem {
-			continue
-		}
-		if isCompactionSummary(m) {
-			break
-		}
-		if m.Role == provider.RoleUser {
-			b.WriteString(m.Content)
-			b.WriteByte('\n')
-		}
-	}
-	return b.String()
-}
-
 // Checkpoint installation no longer writes archive copies — the canonical
 // transcript is the lossless store. ArchiveDir misconfiguration must not block
 // a successful summary install.