Merge branch 'main' into claude/sure-patrimonial-history-c8s7am

Signed-off-by: Juan José Mata <juanjo.mata@gmail.com>

test/controllers/mcp_controller_test.rb

@@ -238,6 +238,7 @@ class McpControllerTest < ActionDispatch::IntegrationTest
       assert_includes tool_names, "get_holdings"
       assert_includes tool_names, "get_balance_sheet"
       assert_includes tool_names, "get_income_statement"
+      assert_includes tool_names, "update_transaction"
 
       # Each tool has required fields
       tools.each do |tool|
@@ -385,6 +386,30 @@ class McpControllerTest < ActionDispatch::IntegrationTest
       assert_not inner["duplicate"]
       assert_equal Digest::SHA256.hexdigest(content), inner.dig("statement", "content_sha256")
     end
+
+  test "tools/call executes update_transaction" do
+    with_mcp_env do
+      transaction = transactions(:one)
+      category = categories(:subcategory)
+
+      post "/mcp", params: jsonrpc_request("tools/call", {
+        name: "update_transaction",
+        arguments: {
+          id: transaction.id,
+          category_id: category.id,
+          notes: "Updated through MCP"
+        }
+      }).to_json, headers: mcp_headers(@token)
+
+      assert_response :ok
+      body = JSON.parse(response.body)
+      result = body["result"]
+      inner = JSON.parse(result["content"][0]["text"])
+
+      assert_equal true, inner["success"]
+      assert_equal category.id, transaction.reload.category_id
+      assert_equal "Updated through MCP", transaction.entry.notes
+    end
   end
 
   test "tools/call wraps function errors as isError response" do