Add chunked timeline routing

api/timeline-stream.php

@@ -9,7 +9,7 @@ dbnToolsRequireAuth();
 
 // Parse input and run credit pre-check BEFORE emitting SSE headers so that
 // auth/credit errors can still return JSON (dbnToolsError / dbnToolsAbort).
-$input    = dbnToolsJsonInput(400000);
+$input    = dbnToolsJsonInput(1500000);
 $language = dbnToolsNormalizeLanguage($input['language'] ?? 'en');
 
 $_validEngines  = ['nova_lite', 'azure_mini', 'azure_full'];
@@ -17,7 +17,7 @@ $_requestedEngine = in_array((string)($input['engine'] ?? ''), $_validEngines, t
     ? (string)$input['engine'] : 'azure_mini';
 
 try {
-    $text = dbnToolsInjectDocContent($input, dbnToolsString($input, 'text', 128000, false));
+    $text = dbnToolsInjectDocContent($input, dbnToolsString($input, 'text', ToolModels::TIMELINE_DEEP_MAX_CHARS, false));
     if (mb_strlen(trim($text), 'UTF-8') < 10) {
         dbnToolsError('Paste text, upload a file, or select a document before running.', 422, 'empty_text');
     }
@@ -33,6 +33,7 @@ try {
     }
 
     $timelineRoute = ToolModels::timelineRoute($ftUid, $_requestedEngine, $text);
+    ToolModels::assertTimelineQuoteAccepted($timelineRoute, $input);
     $ftUid = dbnToolsFreeTierCheckAmount('timeline', (int)$timelineRoute['credits']);
 } catch (DbnToolsHttpException $e) {
     dbnToolsError($e->getMessage(), $e->status, $e->errorCode, $e->extra);
@@ -69,6 +70,11 @@ try {
             'msg' => 'This input is ' . number_format((int)$timelineRoute['input_char_count']) . " characters, so Timeline is using {$label} for reliability.",
         ]);
     }
+    if (!empty($timelineRoute['chunked_timeline'])) {
+        sseEmit('status', [
+            'msg' => 'Processing ' . (int)$timelineRoute['timeline_chunk_count'] . ' timeline chunk(s).',
+        ]);
+    }
 
     $validFocus = ['all', 'deadlines', 'hearings', 'cps'];
     $focus = in_array((string)($input['focus'] ?? ''), $validFocus, true)
@@ -110,6 +116,10 @@ try {
         'auto_upgraded_engine' => $timelineRoute['auto_upgraded_engine'],
         'input_char_count' => $timelineRoute['input_char_count'],
         'engine_limit_chars' => $timelineRoute['engine_limit_chars'],
+        'max_char_limit' => $timelineRoute['max_char_limit'],
+        'chunked_timeline' => $timelineRoute['chunked_timeline'],
+        'timeline_chunk_count' => $timelineRoute['timeline_chunk_count'],
+        'estimated_credits' => $timelineRoute['estimated_credits'],
         'credits_charged' => $timelineRoute['credits'],
     ]);