Show working directory in Running Agent CLI Processes table

[tbrandenburg]

Motivation

• Make the Running Agent CLI Processes view more informative by surfacing the working directory for each process so operators can see where each agent CLI was started.

Description

• Extend backend process listing in packages/pybackend/agent_service.py to attempt to resolve /proc/<pid>/cwd and include workingDirectory (or null when unreadable) in each process entry.
• Add workingDirectory?: string | null to the AgentProcessSummary type in packages/frontend/src/hooks/useApi.ts.
• Add a "Working Directory" column to the Running Agent CLI Processes table in packages/frontend/src/pages/TasksPage.tsx and render - when the value is missing.
• Update packages/frontend/src/pages/TasksPage.test.tsx to include and assert the rendered working directory for the sample process.

Testing

• Ran the frontend unit test for the page with npm --workspace packages/frontend run test -- src/pages/TasksPage.test.tsx, and the Vitest suite for that file passed (all tests passed).
• Ran backend unit tests with uv run --project packages/pybackend python -m pytest packages/pybackend/tests/unit/test_api.py -q, and the test run completed successfully (103 tests passed).

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Codex Task

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Project	Deployment	Actions	Updated (UTC)
made	Ready	Preview, Comment	Mar 29, 2026 6:02pm