Update

.claude/settings.local.json

@@ -30,7 +30,17 @@
       "Bash(git push *)",
       "Bash(git remote *)",
       "Bash(grep -v '^$')",
-      "Bash(.venv/bin/pip install *)"
+      "Bash(.venv/bin/pip install *)",
+      "Bash(QT_QPA_PLATFORM=offscreen /root/Documents/bolt-pet/.venv/bin/pytest tests/ -q)",
+      "Bash(.venv/bin/pytest tests/test_desk_api.py tests/test_desk_files.py tests/test_desk_voice.py tests/test_desk_status.py tests/test_desk_keys.py tests/test_desk_guild_action.py tests/test_desk_admin.py tests/test_desk_billing_auth.py -q)",
+      "Bash(docker inspect *)",
+      "Bash(python3 -m json.tool)",
+      "Bash(docker restart bolt *)",
+      "Bash(curl -s -m 5 \"http://localhost:5002/desk/health\")",
+      "Bash(python3 -c ' *)",
+      "Bash(QT_QPA_PLATFORM=offscreen /root/Documents/bolt-pet/.venv/bin/pytest /home/themajesticmagician/Documents/Bolt-Pet/tests/ -q)",
+      "Bash(docker exec bolt *)",
+      "Bash(QT_QPA_PLATFORM=offscreen /root/Documents/bolt-pet/.venv/bin/pytest /home/themajesticmagician/Documents/Bolt-Pet/tests/test_file_ops.py -q)"
     ]
   }
 }

.env.example

@@ -152,6 +152,12 @@ ELEVENLABS_VOICE_ID=
 #SUDO_ASKPASS_HELPER=            # blank = auto-detect
 #SUDO_COMMAND_TIMEOUT_SECONDS=180  # long enough for a human to answer
 
+# ── File delivery (optional) ────────────────────────────────────────────────
+# The server's deliver_files tool ("send me that report") queues workspace
+# files on this session; the pet fetches and saves them automatically.
+#RECEIVE_FILES=true
+#DELIVERED_FILES_DIR=~/Downloads/Bolt
+
 # ── Misc (optional) ──────────────────────────────────────────────────────────
 #COMMAND_TIMEOUT_SECONDS=30
 #HEARTBEAT_INTERVAL_SECONDS=60

CLAUDE.md

@@ -60,10 +60,10 @@ logs a missing-config message and exits its thread instead of starting.
   a `QWidget` directly. Also drives the periodic heartbeat
   (`_maybe_heartbeat`, gated by `HEARTBEAT_INTERVAL_SECONDS`) which lets the
   server push proactive spoken announcements between user turns, and on the
-  same tick re-evaluates nap state and drains queued desktop notifications.
-  It owns the live wake-word threshold (`wake_threshold()` is passed to
-  `listen_for_wake_word` as a *callable* so the tray slider takes effect
-  mid-listen) and the conversation `history`.
+  same tick re-evaluates nap state, checks for delivered files, and drains
+  queued desktop notifications. It owns the live wake-word threshold
+  (`wake_threshold()` is passed to `listen_for_wake_word` as a *callable* so
+  the tray slider takes effect mid-listen) and the conversation `history`.
 - **`server_client.py`** — HTTP client for the desk API, dependency-free
   beyond `requests` so it's easy to mock in tests. `converse()` loops relaying
   server-issued shell commands (`run_local_command`, executed via
@@ -71,7 +71,24 @@ logs a missing-config message and exits its thread instead of starting.
   `/desk/tool_result` until the server sends a final `reply` (capped at
   `_MAX_RELAY_HOPS`). This is the same "full desktop control" trust model as
   the server repo's other desk clients — commands only ever originate from
-  the user's own voice/click requests in their own session.
+  the user's own voice/click requests in their own session. `list_outbox_files`
+  / `download_outbox_file` hit the same `/desk/files` and `/desk/files/<id>`
+  endpoints the server's `deliver_files` tool queues onto — see `file_delivery.py`.
+- **`file_delivery.py`** — the filesystem half of receiving files the server
+  queues via its `deliver_files` tool (`ai/desk_api.py` in the main tmn-api
+  repo — "send me that report" during a conversation spools the matched
+  workspace files, zipping multiple into one, onto the session's outbox).
+  `controller._check_deliveries` lists `/desk/files` and downloads anything
+  queued — right after a conversation/notification turn (the common case)
+  and once per heartbeat tick for anything queued out-of-band — saving each
+  under `DELIVERED_FILES_DIR` (default `~/Downloads/Bolt`). Downloading a
+  file dequeues it server-side, so it's only ever handed out once; `save()`
+  never overwrites an existing download, suffixing `" (1)"`, `" (2)"`, ... on
+  a name collision. `sanitize_filename()` reduces a server-supplied name to
+  its bare filename (`Path(...).name`), which is defense-in-depth against a
+  delivered name that's secretly a path, since a per-user desk API key means
+  the name isn't always coming from someone as trusted as the owner. Toggle
+  off entirely with `RECEIVE_FILES=false`.
 - **`audio/`** — `mic.py` (energy-based VAD utterance capture, ported from the
   server repo's `bolt_desk.py`), `wake_word.py` (openWakeWord `thunderbolt.onnx`
   detection + `NearMissLog` for threshold tuning — see below), `stt.py`
@@ -95,6 +112,35 @@ logs a missing-config message and exits its thread instead of starting.
   existing shell-command relay: `controller._handle_command` parses them and
   they never reach `subprocess`; anything else is a real shell command exactly
   as before. Pure parsing; the UI half is `PetWindow.apply_action`.
+- **`file_ops.py`** — `filectl` pseudo-commands, checked in `_handle_command`
+  right after petctl and before falling through to a real shell command.
+  Executing arbitrary commands already worked via the shell relay
+  (`run_local_command` — see `server_client.py` below); what filectl adds is
+  a *reliable* way to do the read/write/edit/list slice of that, since
+  getting the model to hand-roll a shell heredoc for multi-line content full
+  of quotes/`$`/backticks is failure-prone — and `list` exists as its own op
+  (rather than relying on the model shelling out to `ls`/`dir`) because this
+  project is cross-platform and the model shouldn't have to guess which
+  listing command applies on Windows vs. Linux vs. macOS; one glob-based op
+  (`pattern`, default `*`; `recursive` for `rglob` instead of `glob`) covers
+  all three. Wire format is `filectl <json>` where `<json>` is a
+  **single-line** compact JSON object —
+  `{"op": "list"|"read"|"write"|"edit", "path": ..., ...}` — not a multi-line
+  marker block (an earlier design): the server relays this as the argument
+  to the ordinary `command` tool marker, and that marker's extractor
+  (`ai/agents/default.py` in the main repo) only captures up to the next
+  newline, so anything genuinely multi-line silently got truncated no matter
+  how the prompt worded it. JSON sidesteps that for free — `json.dumps`
+  already encodes embedded newlines as the two characters `\n`, not a real
+  line break, so multi-line file content still fits on the one physical line
+  the extractor sees. `edit` requires the old text to match exactly once —
+  same discipline as this project's own code-editing tool — and raises
+  rather than guessing if it's missing or ambiguous. This doesn't expand
+  what the server can do to this machine (a relayed shell command could
+  already overwrite anything the desktop user can write — see the security
+  notes below); it's a safer path to the same capability. Pure parsing
+  (`parse`) is separated from the filesystem I/O (`execute`), matching
+  pet_actions.py's parse/describe split.
 - **`screen_context.py`** — active-window title (xprop/xdotool, Win32,
   osascript) appended to each utterance via `context_for()`, plus
   `is_fullscreen_active()` for do-not-disturb. Text only — the desk API takes
@@ -245,6 +291,13 @@ matches the trust model of the server repo's other desk clients. Keep
 `DESK_API_KEY` private and don't expose the desk API port to the open
 internet.
 
+`file_ops.py`'s `filectl` read/write/edit pseudo-commands ride that same
+relay and are bound by the same trust model — no path is off-limits beyond
+normal filesystem permissions for the desktop user, exactly like a relayed
+`cat`/`sed`/`rm` already isn't. They don't grant the server anything a shell
+command couldn't already do; they just make the read/write/edit path
+reliable instead of relying on the model getting shell quoting right.
+
 `sudo_askpass.py` widens that further, by design: with `SUDO_ASKPASS_PROMPT`
 on (the default), a relayed bare `sudo` is rewritten to `sudo -A` and the
 password is collected in a desktop dialog, so commands can escalate to root

bolt_pet/config.py

@@ -161,6 +161,17 @@ NOTIFICATION_BRIDGE = os.environ.get("NOTIFICATION_BRIDGE", "false").lower() in
 NOTIFICATION_FILTER = os.environ.get("NOTIFICATION_FILTER", "")
 NOTIFICATION_MIN_INTERVAL_SECONDS = float(os.environ.get("NOTIFICATION_MIN_INTERVAL_SECONDS", "60"))
 
+# ── file delivery ────────────────────────────────────────────────────────
+# The server's deliver_files tool (ai/desk_api.py in the main tmn-api repo)
+# queues workspace files on this session — e.g. "send me that report" — for
+# the client to fetch via GET /desk/files. Downloading a file dequeues it
+# server-side, so each one lands here exactly once.
+
+RECEIVE_FILES = os.environ.get("RECEIVE_FILES", "true").lower() in ("1", "true", "yes", "on")
+DELIVERED_FILES_DIR = Path(
+    os.environ.get("DELIVERED_FILES_DIR") or str(Path.home() / "Downloads" / "Bolt")
+).expanduser()
+
 # ── conversation history ────────────────────────────────────────────────────
 
 HISTORY_LIMIT = int(os.environ.get("HISTORY_LIMIT", "100"))

bolt_pet/controller.py

@@ -20,8 +20,8 @@ from typing import Optional
 from PySide6.QtCore import QObject, Signal
 
 from . import (
-    config, history as history_mod, notifications, pet_actions, quiet,
-    screen_context, server_client, speech_text, updater,
+    config, file_delivery, file_ops, history as history_mod, notifications,
+    pet_actions, quiet, screen_context, server_client, speech_text, updater,
 )
 from .audio import barge_in, mic, stt, tts, wake_word
 from .state import PetState, PetStateMachine
@@ -251,25 +251,41 @@ class PetController(QObject):
             self._state.transition(PetState.IDLE)
             return
 
+        self._check_deliveries()
         self._speak(reply)
         self._state.transition(PetState.IDLE)
 
     def _handle_command(self, command: str) -> str:
         """Server-relayed command. `petctl ...` drives the pet's body and
-        never reaches a shell; everything else is a real command, exactly as
-        before (see the security notes in the README)."""
+        `filectl ...` does local file read/write/edit — neither ever reaches
+        a shell; everything else is a real command, exactly as before (see
+        the security notes in the README)."""
         try:
             action = pet_actions.parse(command)
         except pet_actions.ActionError as exc:
             self.log.emit(f"petctl: {exc}")
             return f"[pet] {exc}"
-        if action is None:
-            return server_client.run_local_command(command)
-        self.log.emit(f"Pet action: {action}")
-        if action["action"] == "nap":
-            self.set_napping(bool(action["enabled"]))
-        self.action.emit(action)
-        return pet_actions.describe(action)
+        if action is not None:
+            self.log.emit(f"Pet action: {action}")
+            if action["action"] == "nap":
+                self.set_napping(bool(action["enabled"]))
+            self.action.emit(action)
+            return pet_actions.describe(action)
+
+        try:
+            file_action = file_ops.parse(command)
+        except file_ops.FileOpError as exc:
+            self.log.emit(f"filectl: {exc}")
+            return f"[filectl] {exc}"
+        if file_action is not None:
+            self.log.emit(file_ops.describe(file_action))
+            try:
+                return file_ops.execute(file_action)
+            except file_ops.FileOpError as exc:
+                self.log.emit(f"filectl: {exc}")
+                return f"[filectl] {exc}"
+
+        return server_client.run_local_command(command)
 
     def _speak(self, text: str) -> None:
         self._state.transition(PetState.TALKING)
@@ -409,10 +425,39 @@ class PetController(QObject):
             except server_client.ServerError as exc:
                 self.log.emit(f"Couldn't forward notification: {exc}")
                 return
+            self._check_deliveries()
             if reply.strip():
                 self._speak(reply)
                 self._state.transition(PetState.IDLE)
 
+    # ── file delivery ────────────────────────────────────────────────────
+
+    def _check_deliveries(self) -> None:
+        """Download anything the server has queued via deliver_files —
+        called right after a conversation/notification turn (the common
+        case: "send me that file") and once per heartbeat for anything
+        queued out-of-band. Best-effort: a failure here is logged, not
+        raised, so it can't sour a turn that already got its spoken reply."""
+        if not config.RECEIVE_FILES:
+            return
+        try:
+            queued = server_client.list_outbox_files()
+        except server_client.ServerError as exc:
+            self.log.emit(f"Couldn't check for delivered files: {exc}")
+            return
+        for entry in queued:
+            file_id = entry.get("id")
+            name = entry.get("name") or file_id
+            if not file_id:
+                continue
+            try:
+                data = server_client.download_outbox_file(file_id)
+            except server_client.ServerError as exc:
+                self.log.emit(f"Couldn't download {name}: {exc}")
+                continue
+            path = file_delivery.save(config.DELIVERED_FILES_DIR, name, data)
+            self.log.emit(f"Received file: {path}")
+
     # ── auto-update ──────────────────────────────────────────────────────
 
     def _maybe_update(self) -> None:
@@ -468,6 +513,7 @@ class PetController(QObject):
             return
         if self._napping:
             return  # quiet hours: still answers when spoken to, just doesn't start
+        self._check_deliveries()
         self._drain_notifications()
         if self._state.state != PetState.IDLE:
             return

bolt_pet/file_delivery.py

@@ -0,0 +1,54 @@
+"""Saves files the server queues via its deliver_files tool (ai/desk_api.py
+in the main tmn-api repo) to a local downloads folder.
+
+The server side of this is already generic — any desk client can list
+GET /desk/files and fetch GET /desk/files/<id> (see server_client.
+list_outbox_files / download_outbox_file) — so this module is just the
+filesystem half: turn a server-supplied display name into a safe path and
+write the bytes.
+
+Pure filename/path logic lives here so it's testable without touching a real
+mic/network; the only I/O is the final write in save().
+"""
+
+from __future__ import annotations
+
+from pathlib import Path
+
+_FALLBACK_NAME = "delivered_file"
+
+
+def sanitize_filename(name: str) -> str:
+    """Reduce a server-supplied name to a bare filename. Defends against a
+    delivered name that's actually a path (../../etc, an absolute path, ...)
+    — Path(...).name strips every directory component, and anything that
+    collapses to nothing (or "." / "..") falls back to a generic name."""
+    candidate = Path(str(name or "").strip()).name
+    if candidate in ("", ".", ".."):
+        return _FALLBACK_NAME
+    return candidate
+
+
+def unique_path(directory: Path, name: str) -> Path:
+    """*name* under *directory*, suffixed " (1)", " (2)", ... if that name is
+    already taken — a delivered file never overwrites an earlier download."""
+    directory = Path(directory)
+    directory.mkdir(parents=True, exist_ok=True)
+    candidate = directory / name
+    if not candidate.exists():
+        return candidate
+    stem, suffix = candidate.stem, candidate.suffix
+    n = 1
+    while True:
+        candidate = directory / f"{stem} ({n}){suffix}"
+        if not candidate.exists():
+            return candidate
+        n += 1
+
+
+def save(directory: Path, name: str, data: bytes) -> Path:
+    """Write *data* under *directory* as *name* (sanitized + uniquified),
+    returning the path written."""
+    path = unique_path(directory, sanitize_filename(name))
+    path.write_bytes(data)
+    return path

bolt_pet/file_ops.py

@@ -0,0 +1,280 @@
+"""Local file read/edit/write, intercepted from the server-relayed command
+channel the same way pet_actions.py intercepts petctl (see server_client.
+run_local_command / controller._handle_command). Whatever text the server's
+"command" tool sends is just a string this repo is free to interpret before
+it ever reaches subprocess — a `filectl` pseudo-command is one such
+interpretation, giving the model a way to read/write/edit files on this
+machine without constructing a raw shell heredoc, where quoting, `$`,
+backticks, and embedded quotes make anything beyond a one-liner failure-prone.
+
+Executing arbitrary commands already works today (that's exactly what
+run_local_command/subprocess.run does) — filectl doesn't add that ability,
+it only makes the read/write/edit slice of it reliable. It also doesn't
+expand what the server can already do to this machine: a relayed shell
+command could already overwrite any file the desktop user can write (see the
+security notes in CLAUDE.md) — filectl is a safer *path* to the same
+capability, not a new capability.
+
+Wire format: `filectl <json>`, where <json> is a single-line, compact JSON
+object — critically, ONE LINE. The server's "command" tool marker only
+captures the argument up to the next newline (see TOOL_SPECS/
+_extract_all_tool_calls in the main repo's ai/agents/default.py — "command"
+is not declared multiline), so a marker-delimited multi-line payload (this
+module's first design) silently got truncated at the first line no matter
+how the prompt worded it. JSON sidesteps that for free: json.dumps() already
+encodes embedded newlines as the two characters "\n", not an actual line
+break, so arbitrarily multi-line file content still fits on the one physical
+line the extractor captures.
+
+    filectl {"op": "list", "path": "<dir>", "pattern": "<glob>", "recursive": <bool>}
+    filectl {"op": "read", "path": "<path>", "start": <line>, "end": <line>}
+    filectl {"op": "write", "path": "<path>", "content": "<text>"}
+    filectl {"op": "edit", "path": "<path>", "old": "<text>", "new": "<text>"}
+
+"pattern"/"recursive" (list) and "start"/"end" (read) are optional. `list`
+exists even though a real `ls`/`dir` shell command already works, because
+this repo is cross-platform (Windows/macOS/Linux) and the model shouldn't
+have to guess which listing command applies on this machine — one glob-based
+op covers all three. Must be invoked as the argument to the
+ordinary `command` tool marker (e.g. `command: filectl {"op": "write", ...}`)
+— see the pet-only paragraph in the main repo's ai/desk_api.py
+_system_context for the exact instruction the model is given, including the
+"keep it one line" requirement.
+
+Pure parsing (parse) is separated from the filesystem I/O (execute) so the
+syntax is unit-testable without touching disk, matching pet_actions.py's
+parse/describe split.
+"""
+
+from __future__ import annotations
+
+import json
+from pathlib import Path
+from typing import Optional
+
+_PREFIXES = ("filectl", "file")
+
+# Keeps a runaway read/write/list from blowing up the tool_result relay (and,
+# for read/list, from flooding the model's context with a giant response).
+_MAX_READ_BYTES = 200_000
+_MAX_WRITE_BYTES = 2_000_000
+_MAX_LIST_ENTRIES = 500
+
+HELP = (
+    'filectl {"op": "list", "path": "<dir>", "pattern": "<glob>", "recursive": <bool>}\n'
+    'filectl {"op": "read", "path": "<path>", "start": <line>, "end": <line>}\n'
+    'filectl {"op": "write", "path": "<path>", "content": "<text>"}\n'
+    'filectl {"op": "edit", "path": "<path>", "old": "<text>", "new": "<text>"}\n'
+    "Must be all on one line — this rides the single-line \"command\" marker."
+)
+
+
+class FileOpError(Exception):
+    """Bad filectl syntax or a filesystem error — reported back to the
+    server as command output, exactly like ActionError in pet_actions.py."""
+
+
+def is_file_command(command: str) -> bool:
+    stripped = (command or "").strip()
+    if not stripped:
+        return False
+    first_word = stripped.split(None, 1)[0]
+    return first_word.lower() in _PREFIXES
+
+
+def parse(command: str) -> Optional[dict]:
+    """Parse a `filectl <json>` string into an action dict, or None if this
+    isn't a filectl command at all (caller should try the next handler, or
+    fall back to a real shell command). Raises FileOpError on a filectl
+    command that doesn't make sense."""
+    if not is_file_command(command):
+        return None
+    stripped = command.strip()
+    _, _, rest = stripped.partition(" ")
+    rest = rest.strip()
+    if not rest or rest.lower() in ("help", "-h", "--help"):
+        return {"action": "help"}
+
+    try:
+        payload = json.loads(rest)
+    except json.JSONDecodeError as exc:
+        raise FileOpError(f"couldn't parse filectl JSON ({exc}); usage:\n{HELP}") from exc
+    if not isinstance(payload, dict):
+        raise FileOpError(f"filectl payload must be a JSON object; usage:\n{HELP}")
+
+    op = str(payload.get("op") or "help").lower()
+
+    if op == "help":
+        return {"action": "help"}
+
+    if op == "list":
+        path = _required_str(payload, "path")
+        pattern = payload.get("pattern", "*")
+        if not isinstance(pattern, str) or not pattern:
+            raise FileOpError('"pattern" must be a non-empty string')
+        return {
+            "action": "list", "path": path,
+            "pattern": pattern, "recursive": bool(payload.get("recursive")),
+        }
+
+    if op == "read":
+        path = _required_str(payload, "path")
+        return {
+            "action": "read", "path": path,
+            "start": _line_number(payload.get("start"), "start"),
+            "end": _line_number(payload.get("end"), "end"),
+        }
+
+    if op == "write":
+        path = _required_str(payload, "path")
+        if payload.get("content") is None:
+            raise FileOpError('write needs "content"')
+        return {"action": "write", "path": path, "content": str(payload["content"])}
+
+    if op == "edit":
+        path = _required_str(payload, "path")
+        if payload.get("old") is None or payload.get("new") is None:
+            raise FileOpError('edit needs "old" and "new"')
+        old, new = str(payload["old"]), str(payload["new"])
+        if old == new:
+            raise FileOpError("old and new text are identical — nothing to edit")
+        return {"action": "edit", "path": path, "old": old, "new": new}
+
+    raise FileOpError(f"unknown filectl op {op!r}; usage:\n{HELP}")
+
+
+def _required_str(payload: dict, key: str) -> str:
+    value = payload.get(key)
+    if not isinstance(value, str) or not value.strip():
+        raise FileOpError(f'filectl needs a non-empty "{key}"')
+    return value
+
+
+def _line_number(value, label: str) -> Optional[int]:
+    if value is None:
+        return None
+    if isinstance(value, bool) or not isinstance(value, int):
+        raise FileOpError(f"{label} must be an integer line number, got {value!r}")
+    return value
+
+
+def describe(action: dict) -> str:
+    """Text handed back to the server before execute() runs — mirrors
+    pet_actions.describe, used only for the log line."""
+    kind = action.get("action")
+    if kind == "help":
+        return "[filectl] help"
+    return f"[filectl] {kind} {action.get('path', '')}"
+
+
+def execute(action: dict) -> str:
+    """Actually perform a parsed filectl action, returning the text to send
+    back to the server as the command's output. Raises FileOpError on any
+    filesystem problem, same as a bad-syntax parse error."""
+    kind = action.get("action")
+    if kind == "help":
+        return HELP
+    if kind == "list":
+        return _do_list(action)
+    if kind == "read":
+        return _do_read(action)
+    if kind == "write":
+        return _do_write(action)
+    if kind == "edit":
+        return _do_edit(action)
+    return "[filectl] ok"
+
+
+def _resolve(path_str: str) -> Path:
+    return Path(path_str).expanduser()
+
+
+def _do_list(action: dict) -> str:
+    path = _resolve(action["path"])
+    if not path.is_dir():
+        raise FileOpError(f"no such directory: {path}")
+    pattern = action["pattern"]
+    glob = path.rglob if action["recursive"] else path.glob
+    try:
+        entries = sorted(glob(pattern), key=lambda p: str(p).lower())
+    except OSError as exc:
+        raise FileOpError(f"couldn't list {path}: {exc}") from exc
+    if not entries:
+        return f"[no entries matching {pattern!r} in {path}]"
+    truncated = len(entries) > _MAX_LIST_ENTRIES
+    lines = []
+    for entry in entries[:_MAX_LIST_ENTRIES]:
+        rel = entry.relative_to(path)
+        if entry.is_dir():
+            lines.append(f"{rel}/")
+            continue
+        try:
+            size = entry.stat().st_size
+        except OSError:
+            size = -1
+        lines.append(f"{rel}\t{size}B")
+    if truncated:
+        lines.append(f"... truncated at {_MAX_LIST_ENTRIES} entries (of {len(entries)}) — narrow \"pattern\"")
+    return "\n".join(lines)
+
+
+def _do_read(action: dict) -> str:
+    path = _resolve(action["path"])
+    if not path.is_file():
+        raise FileOpError(f"no such file: {path}")
+    try:
+        data = path.read_bytes()
+    except OSError as exc:
+        raise FileOpError(f"couldn't read {path}: {exc}") from exc
+    if len(data) > _MAX_READ_BYTES:
+        raise FileOpError(
+            f"{path} is {len(data)} bytes, over the {_MAX_READ_BYTES}-byte filectl read limit — "
+            'pass "start"/"end" to read a slice instead'
+        )
+    try:
+        text = data.decode("utf-8")
+    except UnicodeDecodeError as exc:
+        raise FileOpError(f"{path} isn't valid UTF-8 text: {exc}") from exc
+    lines = text.splitlines()
+    start = max(1, action.get("start") or 1)
+    end = min(len(lines), action.get("end") or len(lines))
+    if not lines:
+        return "[empty file]"
+    return "\n".join(f"{i:>6}\t{lines[i - 1]}" for i in range(start, end + 1))
+
+
+def _do_write(action: dict) -> str:
+    path = _resolve(action["path"])
+    content = action["content"]
+    if len(content.encode("utf-8")) > _MAX_WRITE_BYTES:
+        raise FileOpError(f"content is over the {_MAX_WRITE_BYTES}-byte filectl write limit")
+    try:
+        path.parent.mkdir(parents=True, exist_ok=True)
+        path.write_text(content, encoding="utf-8")
+    except OSError as exc:
+        raise FileOpError(f"couldn't write {path}: {exc}") from exc
+    return f"[filectl] wrote {len(content)} chars to {path}"
+
+
+def _do_edit(action: dict) -> str:
+    path = _resolve(action["path"])
+    old, new = action["old"], action["new"]
+    if not path.is_file():
+        raise FileOpError(f"no such file: {path}")
+    try:
+        text = path.read_text(encoding="utf-8")
+    except OSError as exc:
+        raise FileOpError(f"couldn't read {path}: {exc}") from exc
+    count = text.count(old)
+    if count == 0:
+        raise FileOpError(f"didn't find that text in {path} — nothing changed")
+    if count > 1:
+        raise FileOpError(
+            f"that text appears {count} times in {path} — filectl edit needs a unique match; "
+            "include more surrounding context"
+        )
+    try:
+        path.write_text(text.replace(old, new, 1), encoding="utf-8")
+    except OSError as exc:
+        raise FileOpError(f"couldn't write {path}: {exc}") from exc
+    return f"[filectl] edited {path}"

bolt_pet/server_client.py

@@ -115,6 +115,37 @@ def converse(
     raise ServerError(str(payload.get("error") or "unknown server response"))
 
 
+def list_outbox_files(timeout: float = 15.0) -> list:
+    """Files the server has queued for this session via its deliver_files
+    tool (e.g. "send me that report" during a conversation) — each entry has
+    id/name/size. Downloading one (download_outbox_file) dequeues it
+    server-side, so a file is only ever handed out once."""
+    try:
+        response = requests.get(
+            f"{config.SERVER_URL}/desk/files",
+            params={"session_id": config.SESSION_ID},
+            headers=_headers(), timeout=timeout,
+        )
+        response.raise_for_status()
+        return list(response.json().get("files") or [])
+    except Exception as exc:
+        raise ServerError(f"couldn't list delivered files: {exc}") from exc
+
+
+def download_outbox_file(file_id: str, timeout: float = 60.0) -> bytes:
+    """Fetches and dequeues one file listed by list_outbox_files()."""
+    try:
+        response = requests.get(
+            f"{config.SERVER_URL}/desk/files/{file_id}",
+            params={"session_id": config.SESSION_ID},
+            headers=_headers(), timeout=timeout,
+        )
+        response.raise_for_status()
+        return response.content
+    except Exception as exc:
+        raise ServerError(f"couldn't download delivered file {file_id!r}: {exc}") from exc
+
+
 def report_status(timeout: float = 15.0) -> Optional[str]:
     """Heartbeat — lets the desk API attach a pending spoken announcement
     (proactive nudges, reminders fired since the last heartbeat) that the pet

tests/test_controller_features.py

@@ -5,6 +5,7 @@ the live wake threshold.
 Needs a QApplication (signals), so run with QT_QPA_PLATFORM=offscreen.
 """
 
+import json
 import sys
 from pathlib import Path
 
@@ -79,6 +80,62 @@ def test_petctl_nap_also_flips_the_controller_state(ctrl):
     assert ctrl._napping is True
 
 
+# ── filectl routing ──────────────────────────────────────────────────────────
+# filectl's wire format is a single-line JSON envelope (see file_ops.py's
+# module docstring for why) — build commands with json.dumps so the tests
+# don't hardcode escaping by hand.
+
+def _filectl(payload: dict) -> str:
+    return "filectl " + json.dumps(payload)
+
+
+def test_filectl_commands_never_reach_the_shell(monkeypatch, ctrl, tmp_path):
+    ran = []
+    monkeypatch.setattr(controller_mod.server_client, "run_local_command", lambda cmd: ran.append(cmd))
+    target = tmp_path / "a.txt"
+
+    output = ctrl._handle_command(_filectl({"op": "write", "path": str(target), "content": "hello"}))
+
+    assert ran == []
+    assert target.read_text() == "hello"
+    assert str(target) in output
+
+
+def test_filectl_edit_round_trips_through_the_relay(monkeypatch, ctrl, tmp_path):
+    monkeypatch.setattr(controller_mod.server_client, "run_local_command",
+                        lambda cmd: (_ for _ in ()).throw(AssertionError("should not shell out")))
+    target = tmp_path / "a.py"
+    target.write_text("x = 1\n")
+
+    output = ctrl._handle_command(
+        _filectl({"op": "edit", "path": str(target), "old": "x = 1", "new": "x = 2"})
+    )
+
+    assert target.read_text() == "x = 2\n"
+    assert str(target) in output
+
+
+def test_bad_filectl_syntax_is_reported_back_not_executed(monkeypatch, ctrl):
+    ran = []
+    monkeypatch.setattr(controller_mod.server_client, "run_local_command", lambda cmd: ran.append(cmd))
+    output = ctrl._handle_command("filectl {not valid json")
+    assert ran == []
+    assert "[filectl]" in output
+
+
+def test_filectl_execution_failure_is_reported_back_not_raised(monkeypatch, ctrl):
+    output = ctrl._handle_command(_filectl({"op": "read", "path": "/no/such/file.txt"}))
+    assert "[filectl]" in output
+
+
+def test_ordinary_commands_still_run_locally_alongside_filectl(monkeypatch, ctrl):
+    ran = []
+    monkeypatch.setattr(controller_mod.server_client, "run_local_command",
+                        lambda cmd: ran.append(cmd) or "[exit 0]\n")
+    ctrl._handle_command("df -h /")
+    assert ran == ["df -h /"]
+
+
 # ── barge-in ────────────────────────────────────────────────────────────────
 
 def test_the_interrupt_log_reports_what_fired_not_the_reset_counters(monkeypatch, ctrl):
@@ -383,3 +440,81 @@ def test_near_misses_are_recorded_for_the_tuner(ctrl):
 
     ctrl.reset_wake_stats()
     assert ctrl.wake_stats()["near_misses"] == []
+
+
+# ── file delivery ────────────────────────────────────────────────────────────
+
+def test_check_deliveries_downloads_and_saves_queued_files(monkeypatch, ctrl, tmp_path):
+    monkeypatch.setattr(controller_mod.config, "DELIVERED_FILES_DIR", tmp_path)
+    monkeypatch.setattr(controller_mod.server_client, "list_outbox_files",
+                        lambda: [{"id": "abc", "name": "report.pdf", "size": 5}])
+    monkeypatch.setattr(controller_mod.server_client, "download_outbox_file",
+                        lambda file_id: b"hello" if file_id == "abc" else b"")
+
+    ctrl._check_deliveries()
+
+    assert (tmp_path / "report.pdf").read_bytes() == b"hello"
+
+
+def test_check_deliveries_is_a_noop_when_nothing_queued(monkeypatch, ctrl, tmp_path):
+    monkeypatch.setattr(controller_mod.config, "DELIVERED_FILES_DIR", tmp_path)
+    monkeypatch.setattr(controller_mod.server_client, "list_outbox_files", lambda: [])
+    downloaded = []
+    monkeypatch.setattr(controller_mod.server_client, "download_outbox_file",
+                        lambda file_id: downloaded.append(file_id))
+
+    ctrl._check_deliveries()
+
+    assert downloaded == []
+
+
+def test_check_deliveries_can_be_disabled(monkeypatch, ctrl):
+    monkeypatch.setattr(controller_mod.config, "RECEIVE_FILES", False)
+    called = {"n": 0}
+    monkeypatch.setattr(controller_mod.server_client, "list_outbox_files",
+                        lambda: called.__setitem__("n", called["n"] + 1))
+
+    ctrl._check_deliveries()
+
+    assert called["n"] == 0
+
+
+def test_check_deliveries_logs_and_continues_on_download_failure(monkeypatch, ctrl, tmp_path):
+    monkeypatch.setattr(controller_mod.config, "DELIVERED_FILES_DIR", tmp_path)
+    monkeypatch.setattr(controller_mod.server_client, "list_outbox_files", lambda: [
+        {"id": "bad", "name": "a.txt", "size": 1},
+        {"id": "good", "name": "b.txt", "size": 1},
+    ])
+
+    def fake_download(file_id):
+        if file_id == "bad":
+            raise controller_mod.server_client.ServerError("gone")
+        return b"ok"
+
+    monkeypatch.setattr(controller_mod.server_client, "download_outbox_file", fake_download)
+    logs = _capture(ctrl.log)
+
+    ctrl._check_deliveries()
+
+    assert (tmp_path / "b.txt").read_bytes() == b"ok"
+    assert not (tmp_path / "a.txt").exists()
+    assert any("bad" in msg or "a.txt" in msg for msg in logs)
+
+
+def test_check_deliveries_runs_after_a_conversation_turn(monkeypatch, ctrl, tmp_path):
+    monkeypatch.setattr(controller_mod.mic, "record_utterance",
+                        lambda *a, **k: np.zeros(10, dtype=np.int16))
+    monkeypatch.setattr(controller_mod.stt, "transcribe", lambda pcm: "send me that file")
+    monkeypatch.setattr(controller_mod.server_client, "converse",
+                        lambda text, on_command=None: "it's on the way")
+    monkeypatch.setattr(controller_mod.tts, "speak",
+                        lambda text, on_error=None, should_stop=None: True)
+    monkeypatch.setattr(controller_mod.config, "DELIVERED_FILES_DIR", tmp_path)
+    monkeypatch.setattr(controller_mod.server_client, "list_outbox_files",
+                        lambda: [{"id": "abc", "name": "notes.txt", "size": 2}])
+    monkeypatch.setattr(controller_mod.server_client, "download_outbox_file",
+                        lambda file_id: b"hi")
+
+    ctrl._handle_conversation_turn()
+
+    assert (tmp_path / "notes.txt").read_bytes() == b"hi"

tests/test_file_delivery.py

@@ -0,0 +1,54 @@
+import sys
+from pathlib import Path
+
+sys.path.insert(0, str(Path(__file__).resolve().parent.parent))
+
+from bolt_pet import file_delivery
+
+
+def test_sanitize_filename_strips_directory_components():
+    assert file_delivery.sanitize_filename("../../etc/passwd") == "passwd"
+    assert file_delivery.sanitize_filename("/absolute/path/report.pdf") == "report.pdf"
+    assert file_delivery.sanitize_filename("plain.txt") == "plain.txt"
+
+
+def test_sanitize_filename_falls_back_on_empty_or_dots():
+    assert file_delivery.sanitize_filename("") == "delivered_file"
+    assert file_delivery.sanitize_filename("..") == "delivered_file"
+    assert file_delivery.sanitize_filename(".") == "delivered_file"
+    assert file_delivery.sanitize_filename(None) == "delivered_file"
+
+
+def test_unique_path_returns_the_plain_name_when_free(tmp_path):
+    path = file_delivery.unique_path(tmp_path, "report.pdf")
+    assert path == tmp_path / "report.pdf"
+
+
+def test_unique_path_suffixes_on_collision(tmp_path):
+    (tmp_path / "report.pdf").write_bytes(b"existing")
+    path = file_delivery.unique_path(tmp_path, "report.pdf")
+    assert path == tmp_path / "report (1).pdf"
+
+    (tmp_path / "report (1).pdf").write_bytes(b"also existing")
+    path = file_delivery.unique_path(tmp_path, "report.pdf")
+    assert path == tmp_path / "report (2).pdf"
+
+
+def test_unique_path_creates_the_directory(tmp_path):
+    target = tmp_path / "nested" / "dir"
+    file_delivery.unique_path(target, "a.txt")
+    assert target.is_dir()
+
+
+def test_save_writes_bytes_and_sanitizes_the_name(tmp_path):
+    path = file_delivery.save(tmp_path, "../sneaky/report.pdf", b"hello")
+    assert path == tmp_path / "report.pdf"
+    assert path.read_bytes() == b"hello"
+
+
+def test_save_never_overwrites_an_existing_download(tmp_path):
+    first = file_delivery.save(tmp_path, "notes.txt", b"first")
+    second = file_delivery.save(tmp_path, "notes.txt", b"second")
+    assert first != second
+    assert first.read_bytes() == b"first"
+    assert second.read_bytes() == b"second"

tests/test_file_ops.py

@@ -0,0 +1,266 @@
+"""filectl parsing + execution — the pseudo-commands the server can relay to
+read/write/edit local files instead of a raw shell heredoc.
+
+filectl {"op": ...} is a single-line JSON envelope (not a multi-line
+marker block) because it rides the "command" tool marker, which the main
+repo's tool-call extractor only captures up to the next newline — see the
+module docstring in bolt_pet/file_ops.py."""
+
+import json
+import sys
+from pathlib import Path
+
+import pytest
+
+sys.path.insert(0, str(Path(__file__).resolve().parent.parent))
+
+from bolt_pet import file_ops
+
+
+def _cmd(payload: dict) -> str:
+    return "filectl " + json.dumps(payload)
+
+
+# ── parsing ──────────────────────────────────────────────────────────────────
+
+def test_non_file_commands_are_left_alone():
+    assert file_ops.parse("ls -la") is None
+    assert file_ops.parse("systemctl restart nginx") is None
+    assert file_ops.parse("") is None
+    # "filed" must not be mistaken for the "file" prefix
+    assert file_ops.parse("filed --list") is None
+
+
+def test_list_parses_defaults():
+    assert file_ops.parse(_cmd({"op": "list", "path": "/tmp"})) == {
+        "action": "list", "path": "/tmp", "pattern": "*", "recursive": False,
+    }
+
+
+def test_list_parses_pattern_and_recursive():
+    assert file_ops.parse(_cmd({"op": "list", "path": "/tmp", "pattern": "*.py", "recursive": True})) == {
+        "action": "list", "path": "/tmp", "pattern": "*.py", "recursive": True,
+    }
+
+
+def test_list_requires_a_path():
+    with pytest.raises(file_ops.FileOpError):
+        file_ops.parse(_cmd({"op": "list"}))
+
+
+def test_list_rejects_empty_pattern():
+    with pytest.raises(file_ops.FileOpError):
+        file_ops.parse(_cmd({"op": "list", "path": "/tmp", "pattern": ""}))
+
+
+def test_read_parses_path_and_optional_line_range():
+    assert file_ops.parse(_cmd({"op": "read", "path": "/tmp/a.txt"})) == {
+        "action": "read", "path": "/tmp/a.txt", "start": None, "end": None,
+    }
+    assert file_ops.parse(_cmd({"op": "read", "path": "/tmp/a.txt", "start": 10, "end": 40})) == {
+        "action": "read", "path": "/tmp/a.txt", "start": 10, "end": 40,
+    }
+
+
+def test_read_requires_a_path():
+    with pytest.raises(file_ops.FileOpError):
+        file_ops.parse(_cmd({"op": "read"}))
+
+
+def test_read_rejects_non_numeric_line_args():
+    with pytest.raises(file_ops.FileOpError):
+        file_ops.parse('filectl {"op": "read", "path": "/tmp/a.txt", "start": "start"}')
+
+
+def test_write_parses_path_and_content():
+    assert file_ops.parse(_cmd({"op": "write", "path": "/tmp/a.txt", "content": "hello\nworld"})) == {
+        "action": "write", "path": "/tmp/a.txt", "content": "hello\nworld",
+    }
+
+
+def test_write_allows_empty_content():
+    assert file_ops.parse(_cmd({"op": "write", "path": "/tmp/a.txt", "content": ""})) == {
+        "action": "write", "path": "/tmp/a.txt", "content": "",
+    }
+
+
+def test_write_without_content_raises():
+    with pytest.raises(file_ops.FileOpError):
+        file_ops.parse(_cmd({"op": "write", "path": "/tmp/a.txt"}))
+
+
+def test_edit_parses_old_and_new():
+    assert file_ops.parse(_cmd({"op": "edit", "path": "/tmp/a.txt", "old": "foo\nbar", "new": "baz"})) == {
+        "action": "edit", "path": "/tmp/a.txt", "old": "foo\nbar", "new": "baz",
+    }
+
+
+def test_edit_rejects_identical_old_and_new():
+    with pytest.raises(file_ops.FileOpError):
+        file_ops.parse(_cmd({"op": "edit", "path": "/tmp/a.txt", "old": "same", "new": "same"}))
+
+
+def test_edit_missing_fields_raises():
+    with pytest.raises(file_ops.FileOpError):
+        file_ops.parse(_cmd({"op": "edit", "path": "/tmp/a.txt"}))
+
+
+def test_content_with_embedded_quotes_and_shell_metacharacters_survives():
+    payload = 'echo "hi $USER" `whoami` && rm -rf /'
+    command = _cmd({"op": "write", "path": "/tmp/a.txt", "content": payload})
+    assert "\n" not in command  # stays on one line, as the command marker requires
+    assert file_ops.parse(command) == {"action": "write", "path": "/tmp/a.txt", "content": payload}
+
+
+def test_multiline_content_stays_on_one_physical_line():
+    content = "line one\nline two\nline three with \"quotes\" and \\backslashes\\"
+    command = _cmd({"op": "write", "path": "/tmp/a.txt", "content": content})
+    assert "\n" not in command
+    assert file_ops.parse(command)["content"] == content
+
+
+def test_help():
+    assert file_ops.parse("filectl help") == {"action": "help"}
+    assert file_ops.parse("filectl") == {"action": "help"}
+    assert file_ops.parse(_cmd({"op": "help"})) == {"action": "help"}
+
+
+def test_invalid_json_raises():
+    with pytest.raises(file_ops.FileOpError):
+        file_ops.parse("filectl {not valid json")
+
+
+def test_non_object_json_raises():
+    with pytest.raises(file_ops.FileOpError):
+        file_ops.parse("filectl [1, 2, 3]")
+
+
+def test_unknown_op_raises():
+    with pytest.raises(file_ops.FileOpError):
+        file_ops.parse(_cmd({"op": "frobnicate", "path": "/tmp/a.txt"}))
+
+
+# ── execution ────────────────────────────────────────────────────────────────
+
+def test_list_shows_files_and_subdirectories(tmp_path):
+    (tmp_path / "a.txt").write_text("hi")
+    (tmp_path / "sub").mkdir()
+    (tmp_path / "sub" / "b.txt").write_text("nested")
+
+    action = file_ops.parse(_cmd({"op": "list", "path": str(tmp_path)}))
+    output = file_ops.execute(action)
+
+    assert "a.txt\t2B" in output
+    assert "sub/" in output
+    assert "b.txt" not in output  # non-recursive: nested file not shown
+
+
+def test_list_recursive_finds_nested_files(tmp_path):
+    (tmp_path / "sub").mkdir()
+    (tmp_path / "sub" / "b.txt").write_text("nested")
+
+    action = file_ops.parse(_cmd({"op": "list", "path": str(tmp_path), "recursive": True}))
+    output = file_ops.execute(action)
+
+    assert "sub/b.txt" in output or "sub\\b.txt" in output  # os-dependent separator
+
+
+def test_list_pattern_filters_entries(tmp_path):
+    (tmp_path / "a.py").write_text("x")
+    (tmp_path / "b.txt").write_text("y")
+
+    action = file_ops.parse(_cmd({"op": "list", "path": str(tmp_path), "pattern": "*.py"}))
+    output = file_ops.execute(action)
+
+    assert "a.py" in output
+    assert "b.txt" not in output
+
+
+def test_list_empty_directory_says_so(tmp_path):
+    action = file_ops.parse(_cmd({"op": "list", "path": str(tmp_path)}))
+    output = file_ops.execute(action)
+    assert "no entries" in output
+
+
+def test_list_missing_directory_raises():
+    with pytest.raises(file_ops.FileOpError):
+        file_ops.execute({"action": "list", "path": "/no/such/dir", "pattern": "*", "recursive": False})
+
+
+def test_list_rejects_a_file_path(tmp_path):
+    target = tmp_path / "a.txt"
+    target.write_text("hi")
+    with pytest.raises(file_ops.FileOpError):
+        file_ops.execute({"action": "list", "path": str(target), "pattern": "*", "recursive": False})
+
+
+def test_list_truncates_past_the_entry_cap(tmp_path, monkeypatch):
+    monkeypatch.setattr(file_ops, "_MAX_LIST_ENTRIES", 3)
+    for i in range(5):
+        (tmp_path / f"f{i}.txt").write_text("x")
+
+    action = file_ops.parse(_cmd({"op": "list", "path": str(tmp_path)}))
+    output = file_ops.execute(action)
+
+    assert "truncated" in output
+    assert output.count(".txt") == 3
+
+
+def test_write_then_read_round_trips(tmp_path):
+    target = tmp_path / "notes.txt"
+    write_action = file_ops.parse(_cmd({"op": "write", "path": str(target), "content": "line one\nline two"}))
+    result = file_ops.execute(write_action)
+    assert target.read_text() == "line one\nline two"
+    assert str(target) in result
+
+    read_action = file_ops.parse(_cmd({"op": "read", "path": str(target)}))
+    output = file_ops.execute(read_action)
+    assert "line one" in output
+    assert "line two" in output
+
+
+def test_read_missing_file_raises():
+    with pytest.raises(file_ops.FileOpError):
+        file_ops.execute({"action": "read", "path": "/no/such/file.txt", "start": None, "end": None})
+
+
+def test_read_respects_line_range(tmp_path):
+    target = tmp_path / "a.txt"
+    target.write_text("\n".join(f"line{i}" for i in range(1, 11)))
+    action = file_ops.parse(_cmd({"op": "read", "path": str(target), "start": 3, "end": 5}))
+    output = file_ops.execute(action)
+    assert "line3" in output and "line5" in output
+    assert "line1" not in output and "line6" not in output
+
+
+def test_edit_replaces_a_unique_match(tmp_path):
+    target = tmp_path / "a.py"
+    target.write_text("def foo():\n    return 1\n")
+    action = file_ops.parse(_cmd({"op": "edit", "path": str(target), "old": "return 1", "new": "return 2"}))
+    file_ops.execute(action)
+    assert target.read_text() == "def foo():\n    return 2\n"
+
+
+def test_edit_fails_when_text_not_found(tmp_path):
+    target = tmp_path / "a.py"
+    target.write_text("def foo():\n    return 1\n")
+    action = file_ops.parse(_cmd({"op": "edit", "path": str(target), "old": "nope", "new": "x"}))
+    with pytest.raises(file_ops.FileOpError):
+        file_ops.execute(action)
+    assert target.read_text() == "def foo():\n    return 1\n"  # untouched
+
+
+def test_edit_fails_when_text_is_ambiguous(tmp_path):
+    target = tmp_path / "a.py"
+    target.write_text("x = 1\nx = 1\n")
+    action = file_ops.parse(_cmd({"op": "edit", "path": str(target), "old": "x = 1", "new": "x = 2"}))
+    with pytest.raises(file_ops.FileOpError):
+        file_ops.execute(action)
+    assert target.read_text() == "x = 1\nx = 1\n"  # untouched
+
+
+def test_write_creates_parent_directories(tmp_path):
+    target = tmp_path / "nested" / "dir" / "a.txt"
+    action = file_ops.parse(_cmd({"op": "write", "path": str(target), "content": "hi"}))
+    file_ops.execute(action)
+    assert target.read_text() == "hi"

tests/test_server_client.py

@@ -84,3 +84,47 @@ def test_check_health_returns_parsed_json():
         get.return_value = _mock_response({"ok": True, "service": "bolt-desk-api"})
         result = server_client.check_health()
     assert result == {"ok": True, "service": "bolt-desk-api"}
+
+
+def test_list_outbox_files_returns_the_queue():
+    with patch.object(server_client.requests, "get") as get:
+        get.return_value = _mock_response(
+            {"files": [{"id": "abc", "name": "report.pdf", "size": 9}]}
+        )
+        result = server_client.list_outbox_files()
+    assert result == [{"id": "abc", "name": "report.pdf", "size": 9}]
+    args, kwargs = get.call_args
+    assert args[0] == "http://test-server:5002/desk/files"
+    assert kwargs["params"] == {"session_id": "pet-test"}
+    assert kwargs["headers"] == {"X-Desk-Api-Key": "test-key"}
+
+
+def test_list_outbox_files_defaults_to_empty_list():
+    with patch.object(server_client.requests, "get") as get:
+        get.return_value = _mock_response({})
+        assert server_client.list_outbox_files() == []
+
+
+def test_list_outbox_files_raises_server_error_when_unreachable():
+    with patch.object(server_client.requests, "get", side_effect=ConnectionError("no route")):
+        with pytest.raises(server_client.ServerError):
+            server_client.list_outbox_files()
+
+
+def test_download_outbox_file_returns_raw_bytes():
+    with patch.object(server_client.requests, "get") as get:
+        resp = _mock_response({})
+        resp.content = b"%PDF fake bytes"
+        get.return_value = resp
+        result = server_client.download_outbox_file("abc")
+    assert result == b"%PDF fake bytes"
+    args, kwargs = get.call_args
+    assert args[0] == "http://test-server:5002/desk/files/abc"
+    assert kwargs["params"] == {"session_id": "pet-test"}
+
+
+def test_download_outbox_file_raises_server_error_on_http_failure():
+    with patch.object(server_client.requests, "get") as get:
+        get.return_value = _mock_response({}, ok=False)
+        with pytest.raises(server_client.ServerError, match="abc"):
+            server_client.download_outbox_file("abc")