fix(process): await cleanup on CLI and MCP cancellation

Propagate CLI interrupts to capture and interrupt post-exit settlement
without cancelling owned-resource cleanup or discarding prior observations.

Assisted-by: Kogasa (gensokyo-skills:kogasa-surprise-testing)

src/cli/processCommands.ts

@@ -8,6 +8,7 @@ import {
 import { logCliCommand } from "../cliLogging.js";
 import type { Logger } from "../logger.js";
 import { CLI_COMMANDS } from "../cliCommandNames.js";
+import { withCommandCancellation } from "./commandCancellation.js";
 
 /** Register direct process capture and comparison commands. */
 export const registerProcessCommands = (
@@ -19,11 +20,13 @@ export const registerProcessCommands = (
     description: "Capture one caller-selected process scenario",
     args: z.object({ scenario: z.string().describe("Scenario JSON path") }),
     run: ({ args }) =>
-      logCliCommand(
-        logger,
-        "capture-process",
-        () => captureProcessScenarioFile(args.scenario, environment),
-        isProcessCliFailure,
+      withCommandCancellation((signal) =>
+        logCliCommand(
+          logger,
+          "capture-process",
+          () => captureProcessScenarioFile(args.scenario, environment, signal),
+          isProcessCliFailure,
+        ),
       ),
   });
   cli.command(CLI_COMMANDS.compareProcessCaptures, {