Add thesis status column for two-phase commit lifecycle tracking

app/src/Controllers/ThesisCreateController.php

@@ -93,13 +93,14 @@ class ThesisCreateController
      * recapitulatif.php?id=<n>.  On validation or DB failure, throws an Exception
      * (caller must flash the message and redirect back to the form).
      *
-     * Execution order:
+     * Two-phase execution:
      *   1. Validate + sanitise POST fields
      *   2. Find/create author record
-     *   3. INSERT thesis row + link author (inside transaction)
+     *   3. INSERT thesis row (status='draft') + link author (inside transaction)
      *   4. Link jury, languages, formats, tags (inside transaction)
-     *   5. COMMIT
+     *   5. COMMIT (thesis visible only as draft)
      *   6. Handle file uploads: cover, thesis files (outside transaction)
+     *   7. UPDATE status to 'active' (confirms file operations succeeded)
      *
      * @param  array $post   Sanitised $_POST array.
      * @param  array $files  $_FILES array.
@@ -226,6 +227,14 @@ class ThesisCreateController
         // ── 6. Website URL — stored as thesis_files row ──────────────────────
         $this->handleWebsiteUrl($thesisId, $post);
 
+        // ── 7. Two-phase commit: mark submission complete ──────────────────
+        // The thesis was committed as status='draft' before file operations.
+        // Now that all files are safely in place, promote to 'active'.
+        // If any file operation had thrown, the draft would remain orphaned
+        // for the periodic cleanup job (just cleanup-drafts).
+        $this->db->setThesisStatus($thesisId, 'active');
+        error_log("[ThesisCreate] ACTIVE — thesis_id=$thesisId | all file operations succeeded");
+
         return $thesisId;
     }