pyro-mcp/docs/roadmap/llm-chat-ergonomics/3.2.0-model-native-workspace-file-ops.md
Thales Maciel ab02ae46c7 Add model-native workspace file operations
Remove shell-escaped file mutation from the stable workspace flow by adding explicit file and patch tools across the CLI, SDK, and MCP surfaces.

This adds workspace file list/read/write plus unified text patch application, backed by new guest and manager file primitives that stay scoped to started workspaces and /workspace only. Patch application is preflighted on the host, file writes stay text-only and bounded, and the existing diff/export/reset semantics remain intact.

The milestone also updates the 3.2.0 roadmap, public contract, docs, examples, and versioning, and includes focused coverage for the new helper module and dispatch paths.

Validation:
- uv lock
- UV_CACHE_DIR=.uv-cache make check
- UV_CACHE_DIR=.uv-cache make dist-check
- real guest-backed smoke for workspace file read, patch apply, exec, export, and delete
2026-03-12 22:03:25 -03:00

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# `3.2.0` Model-Native Workspace File Ops
Status: Done
## Goal
Remove shell quoting and hidden host-temp-file choreography from normal
chat-driven workspace editing loops.
## Public API Changes
Planned additions:
- `pyro workspace file list WORKSPACE_ID [PATH] [--recursive]`
- `pyro workspace file read WORKSPACE_ID PATH [--max-bytes N]`
- `pyro workspace file write WORKSPACE_ID PATH --text TEXT`
- `pyro workspace patch apply WORKSPACE_ID --patch TEXT`
- matching Python SDK methods:
- `list_workspace_files`
- `read_workspace_file`
- `write_workspace_file`
- `apply_workspace_patch`
- matching MCP tools:
- `workspace_file_list`
- `workspace_file_read`
- `workspace_file_write`
- `workspace_patch_apply`
## Implementation Boundaries
- scope all operations strictly under `/workspace`
- keep these tools text-first and bounded in size
- make patch application explicit and deterministic
- keep `workspace export` as the host-out path for copying results back
- keep shell and exec available for process-oriented work, not as the only way
to mutate files
## Non-Goals
- no arbitrary host filesystem access
- no generic SFTP or file-manager product identity
- no replacement of shell or exec for process lifecycle work
- no hidden auto-merge behavior for conflicting patches
## Acceptance Scenarios
- an agent reads a file, applies a patch, reruns tests, and exports the result
without shell-escaped editing tricks
- an agent inspects a repo tree and targeted files inside one workspace without
relying on host-side temp paths
- a repro-plus-fix loop is practical from MCP alone, not only from a custom
host wrapper
## Required Repo Updates
- public contract updates across CLI, SDK, and MCP
- docs and examples that show model-native file editing instead of shell-heavy
file writes
- at least one real smoke scenario centered on a repro-plus-fix loop
## Outcome
- shipped `workspace file list|read|write` and `workspace patch apply` across CLI, SDK, and MCP
- kept the surface scoped to started workspaces and `/workspace`
- updated docs, help text, examples, and smoke coverage around model-native editing flows