docs(agent): close NEXT #64–#73 after parallel land

Landed worktree batch: migration docs, installer chown, theme-state
reader, theme fidelity, audit/import tools, IR docs, template-sot check,
hardware MOTD tips. Verified contrast + template-sot + flake check.

agent/JOURNAL.md

@@ -17,6 +17,17 @@ Template:
 
 ---
 
+## 2026-07-10 — Loop batch land #64–#73 (parallel worktrees)
+- **Task:** agent-actionable NEXT #64–#73 via worktree agents; land on main.
+- **Did:** #64 MIGRATION snapshots · #65 real-uid chown · #66 theme-state
+  fail-closed reader · #67/#68 theme fidelity+ANSI · #69/#70 audit+import
+  tools · #71 IR portal docs · #72 template-sot check · #73 MOTD/first-boot
+  fingerprint+doctor tips. Agents did not push; parent cherry-picked
+  (stripped agent BACKLOG races). Closed #64–#73.
+- **Verified:** **V0/V1** — theme-contrast 24×7 pass; template-sot green;
+  bash -n install; flake check --no-build green.
+- **Next suggestion:** #74 unattended matrix + #75 V2 install (KVM).
+
 ## 2026-07-10 — Promote agent-actionable PROPOSED → NEXT #64–#75
 - **Task:** Bernardo: bump non-hw/non-human PROPOSED categories 1+2.
 - **Did:** **#64** MIGRATION snapshots · **#65** installer chown ·