Add premium My Case MVP

includes/bootstrap.php

@@ -421,7 +421,7 @@ function dbnmDb(): PDO
 
 /**
  * True when the current session belongs to an SSO user (Google login).
- * All SSO sessions go through the credit + tier system (free, light, pro, pro_plus).
+ * All SSO sessions go through the credit + tier system (free, plus, pro).
  * False for CaveauAI client sessions, which bypass all credit checks.
  *
  * Note: name is historical — paid SSO users are also subject to the credit gate.
@@ -497,18 +497,22 @@ function dbnToolsCurrentTier(): string
  */
 function dbnToolsCaseContext(bool $useMyCase, string $query, int $k = 5): string
 {
-    if (!$useMyCase) return '';
-    if (!dbnToolsIsFreeTier()) return '';
+    if (!$useMyCase) { $GLOBALS['dbn_last_case_doc_ids'] = []; return ''; }
+    if (!dbnToolsIsFreeTier()) { $GLOBALS['dbn_last_case_doc_ids'] = []; return ''; }
     $userId = (int)($_SESSION['dbn_tools_sso_uid'] ?? 0);
-    if ($userId <= 0) return '';
+    if ($userId <= 0) { $GLOBALS['dbn_last_case_doc_ids'] = []; return ''; }
 
     require_once __DIR__ . '/FreeTier.php';
     $tier = FreeTier::tier($userId);
-    if (!in_array($tier, ['light', 'pro', 'pro_plus'], true)) return '';
+    if (!FreeTier::isPaidTier($tier)) { $GLOBALS['dbn_last_case_doc_ids'] = []; return ''; }
 
     require_once __DIR__ . '/CaseStore.php';
     $effective = CaseStore::caseResolveClientId($userId);
     $chunks = CaseStore::caseHybridSearch($effective, $query, $k);
+    $GLOBALS['dbn_last_case_doc_ids'] = array_values(array_unique(array_map(
+        static fn($c) => (int)($c['doc_id'] ?? 0),
+        $chunks
+    )));
 
     // Audit log: who ran what against whose case
     try {
@@ -528,6 +532,12 @@ function dbnToolsCaseContext(bool $useMyCase, string $query, int $k = 5): string
     return CaseStore::formatChunksForPrompt($chunks);
 }
 
+/** Returns the case_document ids retrieved by the most recent dbnToolsCaseContext() call in this request. */
+function dbnToolsLastCaseDocIds(): array
+{
+    return is_array($GLOBALS['dbn_last_case_doc_ids'] ?? null) ? $GLOBALS['dbn_last_case_doc_ids'] : [];
+}
+
 /** Read /etc/bnl/intersite.php for the HMAC secret shared between dobetternorge.no and tools.dobetternorge.no. */
 function dbnToolsIntersiteSecret(): string
 {