feat: improve AE Journal read toolset

- ae_journal_entry_read: expose full entry content by id_random (title,
  journal, tags, summary, full content with configurable truncation)
- ae_journal_entries_list: browse all entries in a journal newest-first,
  numbered with id/title/tags/summary/date and pagination support
- ae_journal_search: richer output — tags, updated date, 400-char preview
  (was 200), show summary OR preview (not both when summary exists)

_get_entry() was already implemented; read tool just exposes it properly.

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

cortex/tools/__init__.py

@@ -18,6 +18,8 @@ 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_list as _ae_journal_list
+from tools.ae_knowledge import journal_entry_read as _ae_journal_entry_read
+from tools.ae_knowledge import journal_entries_list as _ae_journal_entries_list
 from tools.ae_knowledge import journal_entry_create as _ae_journal_entry_create
 from tools.ae_knowledge import journal_entry_update as _ae_journal_entry_update
 from tools.ae_knowledge import journal_entry_disable as _ae_journal_entry_disable
@@ -119,6 +121,57 @@ _ae_journal_search_declaration = types.FunctionDeclaration(
     ),
 )
 
+_ae_journal_entry_read_declaration = types.FunctionDeclaration(
+    name="ae_journal_entry_read",
+    description=(
+        "Fetch the full content of a single journal entry by its id_random. "
+        "Use this when you need to read an entry before editing it, or when search results "
+        "don't show enough content. Returns title, journal, tags, summary, and full content."
+    ),
+    parameters=types.Schema(
+        type=types.Type.OBJECT,
+        properties={
+            "entry_id": types.Schema(
+                type=types.Type.STRING,
+                description="The id_random of the journal entry to read.",
+            ),
+            "max_content_chars": types.Schema(
+                type=types.Type.INTEGER,
+                description="Maximum characters of content to return (default 4000). Increase for long entries.",
+            ),
+        },
+        required=["entry_id"],
+    ),
+)
+
+_ae_journal_entries_list_declaration = types.FunctionDeclaration(
+    name="ae_journal_entries_list",
+    description=(
+        "List entries in a specific journal, newest first. "
+        "Use this to browse what's in a journal when you don't have a search keyword, "
+        "or to find entries by browsing rather than searching. "
+        "Returns numbered entries with id, title, tags, summary, and date."
+    ),
+    parameters=types.Schema(
+        type=types.Type.OBJECT,
+        properties={
+            "journal_id": types.Schema(
+                type=types.Type.STRING,
+                description="The id_random of the journal to list entries from.",
+            ),
+            "max_results": types.Schema(
+                type=types.Type.INTEGER,
+                description="Number of entries to return (default 20, max 50).",
+            ),
+            "page": types.Schema(
+                type=types.Type.INTEGER,
+                description="Page number for pagination (default 1).",
+            ),
+        },
+        required=["journal_id"],
+    ),
+)
+
 _ae_journal_entry_create_declaration = types.FunctionDeclaration(
     name="ae_journal_entry_create",
     description=(
@@ -283,6 +336,8 @@ _CALLABLES: dict[str, callable] = {
     "web_search": _web_search,
     "ae_journal_list": _ae_journal_list,
     "ae_journal_search": _ae_journal_search,
+    "ae_journal_entry_read": _ae_journal_entry_read,
+    "ae_journal_entries_list": _ae_journal_entries_list,
     "ae_journal_entry_create": _ae_journal_entry_create,
     "ae_journal_entry_update": _ae_journal_entry_update,
     "ae_journal_entry_disable": _ae_journal_entry_disable,
@@ -858,6 +913,8 @@ _ALL_DECLARATIONS: list[types.FunctionDeclaration] = [
     _web_search_declaration,
     _ae_journal_list_declaration,
     _ae_journal_search_declaration,
+    _ae_journal_entry_read_declaration,
+    _ae_journal_entries_list_declaration,
     _ae_journal_entry_create_declaration,
     _ae_journal_entry_update_declaration,
     _ae_journal_entry_disable_declaration,