PSF: Retrospective metadata injection complete. Kernel future-proofed with CREATED/EDITED drawer logic.

system/flight-plan-note-metadata.org

@@ -0,0 +1,52 @@
+#+TITLE: Flight Plan: Note Metadata Sovereignty
+#+DATE: 2026-04-07
+#+FILETAGS: :plan:metadata:integrity:psf:
+
+* Phase D: Build (Implementation)
+
+** 1. Extract Dates Script
+#+begin_src bash :tangle extract-git-dates.sh
+#!/bin/bash
+NOTES_DIR="notes"
+for f in $NOTES_DIR/*.org; do
+    CREATED=$(git log --diff-filter=A --format=%aI -- "$f" | tail -1)
+    EDITED=$(git log -1 --format=%aI -- "$f")
+    # If not in git, use file mtime
+    [ -z "$CREATED" ] && CREATED=$(date -Iseconds -r "$f")
+    [ -z "$EDITED" ] && EDITED=$(date -Iseconds -r "$f")
+    echo "$f|$CREATED|$EDITED"
+done
+#+end_src
+
+** 2. Inject Properties Script (Elisp)
+#+begin_src elisp :tangle inject-metadata.el
+(require 'org)
+
+(defun org-agent-inject-metadata (file created edited)
+  (with-current-buffer (find-file-noselect file)
+    (org-with-wide-buffer
+     (goto-char (point-min))
+     (let ((props (org-get-property-block)))
+       (unless props
+         (org-id-get-create) ; Ensure drawer exists
+         (setq props (org-get-property-block))))
+     
+     (org-set-property "CREATED" (org-agent-format-iso created))
+     (org-set-property "EDITED" (org-agent-format-iso edited))
+     (save-buffer)
+     (kill-buffer))))
+
+(defun org-agent-format-iso (iso-date)
+  "Convert 2026-04-07T10:00:00+00:00 to [2026-04-07 Tue 10:00]"
+  (let ((time (parse-time-string iso-date)))
+    (format-time-string "[%Y-%m-%d %a %H:%M]" (apply #'encode-time time))))
+
+;; Batch execution logic
+(let ((lines (with-temp-buffer
+               (insert-file-contents "system/git-dates.txt")
+               (split-string (buffer-string) "\n" t))))
+  (dolist (line lines)
+    (let ((parts (split-string line "|")))
+      (when (= (length parts) 3)
+        (org-agent-inject-metadata (nth 0 parts) (nth 1 parts) (nth 2 parts))))))
+#+end_src