feat(assistant): #91 steps humains en direct + outils web_search/fetch_url (labels backend, SSE step, garde SSRF)

frontend/js/bookslm.js

@@ -2058,22 +2058,35 @@ class BooksLM {
 
   // ── Tool activity & confirmations (agent mode) ──────────────────────
 
-  /** Agent tool calls collapse into a discreet “N steps” line (Notion-style). */
-  _renderToolActivity(toolCalls) {
-    const wrap = document.createElement('details');
-    wrap.className = 'bookslm-tool-trace';
-    const summary = document.createElement('summary');
-    summary.textContent = t('ai.steps_count', { count: toolCalls.length });
-    wrap.appendChild(summary);
-    for (const call of toolCalls) {
-      const line = document.createElement('div');
-      line.className = 'bookslm-tool-line' + (call.ok === false ? ' failed' : '');
-      line.textContent = `${call.ok === false ? '⚠' : '🔧'} ${t('ai.tool_call', { name: call.name })}`;
-      if (call.ok === false) line.title = t('ai.tool_call_failed', { name: call.name });
-      wrap.appendChild(line);
+  /** Human one-liner for a recorded step (backend label key or legacy name). */
+    _stepText(call) {
+      const step = call.step;
+      if (step && step.key) {
+        const key = `ai.step.${step.key}`;
+        const label = t(key, step.params || {});
+        if (label && label !== key) return label;
+      }
+      return t('ai.tool_call', { name: call.name });
+    }
+
+    /** Agent tool calls collapse into a discreet “N steps” line (Notion-style). */
+    _renderToolActivity(toolCalls) {
+      const wrap = document.createElement('details');
+      wrap.className = 'bookslm-tool-trace';
+      const summary = document.createElement('summary');
+      const countKey = toolCalls.length > 1 ? 'ai.steps_count_plural' : 'ai.steps_count';
+      summary.textContent = t(countKey, { count: toolCalls.length });
+      wrap.appendChild(summary);
+      for (const call of toolCalls) {
+        const line = document.createElement('div');
+        line.className = 'bookslm-tool-line' + (call.ok === false ? ' failed' : '');
+        line.textContent = `${call.ok === false ? '⚠' : '·'} ${this._stepText(call)}`;
+        if (call.ok === false) line.title = t('ai.tool_call_failed', { name: call.name });
+        else if (call.step && call.step.params && call.step.params.value) line.title = call.step.params.value;
+        wrap.appendChild(line);
+      }
+      return wrap;
     }
-    return wrap;
-  }
 
   _renderConfirmationCard(msg) {
     const conf = msg.confirmation;
@@ -2393,10 +2406,22 @@ class BooksLM {
       }
 
       if (currentEvent === 'tool') {
-        assistantMsg.toolCalls.push({ name: data.name, ok: data.ok !== false, arguments: data.arguments || {} });
+        assistantMsg.toolCalls.push({
+          name: data.name,
+          ok: data.ok !== false,
+          arguments: data.arguments || {},
+          step: data.step || null,
+        });
         this._setActivity('working', t('ai.activity_tool', { name: data.name }));
         return;
       }
+      // Intermediate reasoning note streamed by the agent (Notion-style
+      // ". thought" line inside the steps block).
+      if (currentEvent === 'step' && data.step) {
+        assistantMsg.toolCalls.push({ name: '', ok: true, arguments: {}, step: data.step });
+        this._setActivity('working', t('ai.activity_thinking'));
+        return;
+      }
       if (currentEvent === 'confirmation') {
         assistantMsg.confirmation = {
           pending: data.pending || data,

frontend/locales/en.json

@@ -1780,7 +1780,37 @@
   "bookslm.insert_hint": "Append the answer to the document open in the editor",
   "bookslm.inserted": "Answer added to the document",
   "bookslm.insert_no_editor": "No document open in the editor",
-  "ai.steps_count": "{count} steps",
+  "ai.steps_count": "{count} step",
+  "ai.steps_count_plural": "{count} steps",
+  "ai.activity_thinking": "Thinking…",
+  "ai.step.thought": "Thought: {value}",
+  "ai.step.backlinks": "Analyzed backlinks",
+  "ai.step.backup_diff": "Compared backup: {value}",
+  "ai.step.backup_restore": "Restored backup: {value}",
+  "ai.step.backups": "Listed backups",
+  "ai.step.dir_create": "Proposed directory: {value}",
+  "ai.step.dir_delete": "Deleted directory: {value}",
+  "ai.step.dir_rename": "Renamed directory: {value}",
+  "ai.step.directory": "Explored directory: {value}",
+  "ai.step.file_append": "Appended to file: {value}",
+  "ai.step.file_create": "Proposed file: {value}",
+  "ai.step.file_delete": "Deleted file: {value}",
+  "ai.step.file_edit": "Edited file: {value}",
+  "ai.step.file_read": "Read file: {value}",
+  "ai.step.file_rename": "Renamed file: {value}",
+  "ai.step.files": "Listed files",
+  "ai.step.generic": "Used tool: {tool}",
+  "ai.step.graph": "Consulted the vault graph",
+  "ai.step.move": "Moved: {value}",
+  "ai.step.recent": "Listed recent files",
+  "ai.step.replace": "Replacements: {value}",
+  "ai.step.search": "Searched the vault: {value}",
+  "ai.step.search_paths": "Searched paths: {value}",
+  "ai.step.tags": "Listed tags",
+  "ai.step.tags_suggest": "Suggested tags for {value}",
+  "ai.step.vaults": "Listed the vaults",
+  "ai.step.fetch_url": "Opened a web page: {value}",
+  "ai.step.web_search": "Searched the web: {value}",
   "bookslm.copied": "Copied to clipboard",
   "bookslm.error": "AI service error",
   "bookslm.regenerate": "Regenerate",

frontend/locales/fr.json

@@ -1780,7 +1780,37 @@
   "bookslm.insert_hint": "Ajouter la réponse au document ouvert dans l'éditeur",
   "bookslm.inserted": "Réponse ajoutée au document",
   "bookslm.insert_no_editor": "Aucun document ouvert dans l'éditeur",
-  "ai.steps_count": "{count} étapes",
+  "ai.steps_count": "{count} étape",
+  "ai.steps_count_plural": "{count} étapes",
+  "ai.activity_thinking": "Réflexion…",
+  "ai.step.thought": "Réflexion : {value}",
+  "ai.step.backlinks": "Backlinks analysés",
+  "ai.step.backup_diff": "Comparaison de sauvegarde : {value}",
+  "ai.step.backup_restore": "Sauvegarde restaurée : {value}",
+  "ai.step.backups": "Sauvegardes consultées",
+  "ai.step.dir_create": "Dossier proposé : {value}",
+  "ai.step.dir_delete": "Dossier supprimé : {value}",
+  "ai.step.dir_rename": "Dossier renommé : {value}",
+  "ai.step.directory": "Répertoire exploré : {value}",
+  "ai.step.file_append": "Fichier complété : {value}",
+  "ai.step.file_create": "Fichier proposé : {value}",
+  "ai.step.file_delete": "Fichier supprimé : {value}",
+  "ai.step.file_edit": "Fichier modifié : {value}",
+  "ai.step.file_read": "Fichier lu : {value}",
+  "ai.step.file_rename": "Fichier renommé : {value}",
+  "ai.step.files": "Fichiers listés",
+  "ai.step.generic": "Outil utilisé : {tool}",
+  "ai.step.graph": "Graphe du vault consulté",
+  "ai.step.move": "Élément déplacé : {value}",
+  "ai.step.recent": "Fichiers récents consultés",
+  "ai.step.replace": "Remplacements : {value}",
+  "ai.step.search": "Recherche dans le vault : {value}",
+  "ai.step.search_paths": "Chemins recherchés : {value}",
+  "ai.step.tags": "Tags consultés",
+  "ai.step.tags_suggest": "Tags suggérés pour {value}",
+  "ai.step.vaults": "Liste des vaults consultée",
+  "ai.step.fetch_url": "Page web consultée : {value}",
+  "ai.step.web_search": "Recherche sur le web : {value}",
   "bookslm.copied": "Réponse copiée dans le presse-papiers",
   "bookslm.error": "Erreur du service AI",
   "bookslm.regenerate": "Régénérer",