feat: add ae_journal_list tool

Lists all Aether Journals for the configured account via
POST /v3/crud/journal/search with no filters (account scoped by header).
Returns name + id_random for each journal so the agent can discover
available journals before searching or writing entries.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

cortex/tools/__init__.py

@@ -18,6 +18,7 @@ from google.genai import types
 from tools.web import search as _web_search
 from tools.ae_knowledge import journal_search as _ae_journal_search
 from tools.ae_knowledge import journal_entry_create as _ae_journal_entry_create
+from tools.ae_knowledge import journal_list as _ae_journal_list
 from tools.ae_tasks import task_list as _ae_task_list
 from tools.files import file_read as _file_read
 from tools.system import claude_allow_dir as _claude_allow_dir, shell_exec as _shell_exec
@@ -68,6 +69,17 @@ _web_search_declaration = types.FunctionDeclaration(
     ),
 )
 
+_ae_journal_list_declaration = types.FunctionDeclaration(
+    name="ae_journal_list",
+    description=(
+        "List all Aether Journals available for this account. "
+        "Returns each journal's name and id_random. "
+        "Call this first when you need to write a new entry or scope a search to a specific journal "
+        "and don't already know the journal's id."
+    ),
+    parameters=types.Schema(type=types.Type.OBJECT, properties={}),
+)
+
 _ae_journal_search_declaration = types.FunctionDeclaration(
     name="ae_journal_search",
     description=(
@@ -187,6 +199,7 @@ _file_read_declaration = types.FunctionDeclaration(
 
 _CALLABLES: dict[str, callable] = {
     "web_search": _web_search,
+    "ae_journal_list": _ae_journal_list,
     "ae_journal_search": _ae_journal_search,
     "ae_journal_entry_create": _ae_journal_entry_create,
     "ae_task_list": _ae_task_list,
@@ -551,6 +564,7 @@ _scratch_clear_declaration = types.FunctionDeclaration(
 TOOL_DECLARATIONS = [
     types.Tool(function_declarations=[
         _web_search_declaration,
+        _ae_journal_list_declaration,
         _ae_journal_search_declaration,
         _ae_journal_entry_create_declaration,
         _ae_task_list_declaration,