merge: update tests/unit/test_supervise_server.py from issue-277-coverage-ci

`container build` resolves -f relative to the current working directory,
not the build context, so builds failed from any cwd other than the repo
root. Anchor a relative Dockerfile to the context before passing it.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

.coveragerc

@@ -0,0 +1,9 @@
+[run]
+branch = True
+source = .
+
+[report]
+omit =
+    bot_bottle/egress_addon.py
+    bot_bottle/cli/tui.py
+    tests/*

.gitea/workflows/test.yml

@@ -39,8 +39,14 @@ jobs:
         with:
           python-version: "3.12"
 
+      - name: Install dev requirements
+        run: python3 -m pip install -r requirements-dev.txt
+
       - name: Run unit tests
-        run: python3 -m unittest discover -t . -s tests/unit -v
+        run: python3 -m coverage run -m unittest discover -t . -s tests/unit -v
+
+      - name: Report unit coverage
+        run: python3 -m coverage report -m
 
   integration:
     runs-on: ubuntu-latest

.gitignore

@@ -22,3 +22,4 @@ venv/
 .pytest_cache/
 .mypy_cache/
 .ruff_cache/
+.coverage

bot_bottle/agent_provider.py

@@ -61,7 +61,6 @@ class AgentProviderRuntime:
     prompt_mode: PromptMode
     bypass_args: tuple[str, ...]
     resume_args: tuple[str, ...]
-    remote_control_args: tuple[str, ...]
 
 
 @dataclass(frozen=True)
@@ -391,7 +390,7 @@ def prompt_args(
     if prompt_mode == "append_file":
         return ["--append-system-prompt-file", prompt_path]
     if prompt_mode == "read_prompt_file":
-        if argv and "resume" in argv:
+        if argv and ("resume" in argv or "remote-control" in argv):
             return []
         return [f"Read and follow the instructions in {prompt_path}."]
     if prompt_mode == "print_read_prompt_file":

bot_bottle/backend/__init__.py

@@ -109,9 +109,8 @@ class BottlePlan(ABC):
     def workspace_plan(self) -> WorkspacePlan:
         return workspace_plan(self.spec, guest_home=self.guest_home)
 
-    def print(self, *, remote_control: bool) -> None:
+    def print(self) -> None:
         """Render the y/N preflight summary to stderr."""
-        del remote_control
         spec = self.spec
         manifest = self.manifest
         agent = manifest.agent

bot_bottle/backend/macos_container/util.py

@@ -68,6 +68,11 @@ def build_image(ref: str, context: str, *, dockerfile: str = "") -> None:
     _ensure_builder_dns()
     args = [_CONTAINER, "build", "-t", ref, "--dns", dns_server()]
     if dockerfile:
+        # `container build` resolves -f relative to the current working
+        # directory, not the build context. Anchor a relative Dockerfile to
+        # the context so builds work from any cwd.
+        if not os.path.isabs(dockerfile):
+            dockerfile = os.path.join(context, dockerfile)
         args.extend(["-f", dockerfile])
     args.append(context)
     subprocess.run(args, check=True)

bot_bottle/cli/resume.py

@@ -28,7 +28,6 @@ from .start import _launch_bottle
 def cmd_resume(argv: list[str]) -> int:
     parser = argparse.ArgumentParser(prog=f"{PROG} resume", add_help=True)
     parser.add_argument("--dry-run", action="store_true")
-    parser.add_argument("--remote-control", action="store_true")
     parser.add_argument(
         "identity",
         help="bottle identity from a prior `start` (see its session-end output)",
@@ -56,6 +55,5 @@ def cmd_resume(argv: list[str]) -> int:
     return _launch_bottle(
         spec,
         dry_run=args.dry_run,
-        remote_control=args.remote_control,
         backend_name=backend_name,
     )

bot_bottle/cli/start.py

@@ -42,7 +42,6 @@ def cmd_start(argv: list[str]) -> int:
     parser = argparse.ArgumentParser(prog=f"{PROG} start", add_help=True)
     parser.add_argument("--dry-run", action="store_true")
     parser.add_argument("--cwd", action="store_true", help="copy host cwd into the running bottle")
-    parser.add_argument("--remote-control", action="store_true")
     parser.add_argument(
         "--backend",
         choices=known_backend_names(),
@@ -89,7 +88,6 @@ def cmd_start(argv: list[str]) -> int:
     return _launch_bottle(
         spec,
         dry_run=dry_run,
-        remote_control=args.remote_control,
         backend_name=backend_name,
     )
 
@@ -134,7 +132,7 @@ def prepare_with_preflight(
 
 
 def attach_agent(
-    bottle: Bottle, *, remote_control: bool = False, resume: bool = False,
+    bottle: Bottle, *, resume: bool = False,
     agent_provider_template: str = "claude",
     startup_args: tuple[str, ...] = (),
 ) -> int:
@@ -153,8 +151,6 @@ def attach_agent(
         "(Ctrl-D or 'exit' to leave; container will be removed)"
     )
     agent_args = list(runtime.bypass_args)
-    if remote_control:
-        agent_args.extend(runtime.remote_control_args)
     agent_args.extend(startup_args)
     if resume:
         agent_args.extend(runtime.resume_args)
@@ -218,9 +214,9 @@ def _text_prompt_yes() -> bool:
     return reply in ("y", "Y", "yes", "YES")
 
 
-def _text_render_preflight(*, remote_control: bool):
+def _text_render_preflight():
     def _render(plan: DockerBottlePlan) -> None:
-        plan.print(remote_control=remote_control)
+        plan.print()
     return _render
 
 
@@ -228,7 +224,6 @@ def _launch_bottle(
     spec: BottleSpec,
     *,
     dry_run: bool,
-    remote_control: bool,
     backend_name: str | None = None,
 ) -> int:
     """Shared launch core for `start` and `resume`. Builds the plan,
@@ -240,7 +235,7 @@ def _launch_bottle(
         plan, identity = prepare_with_preflight(
             spec,
             stage_dir=stage_dir,
-            render_preflight=_text_render_preflight(remote_control=remote_control),
+            render_preflight=_text_render_preflight(),
             prompt_yes=_text_prompt_yes,
             dry_run=dry_run,
             backend_name=backend_name,
@@ -253,7 +248,6 @@ def _launch_bottle(
             agent_provider_template = getattr(plan, "agent_provider_template", "claude")
             exit_code = attach_agent(
                 bottle,
-                remote_control=remote_control,
                 agent_provider_template=agent_provider_template,
                 startup_args=plan.agent_provision.startup_args,
             )

bot_bottle/cli/supervise.py

@@ -2,9 +2,8 @@
 act on them (approve / modify / reject).
 
 Curses-based TUI; modify-then-approve shells out to $EDITOR. The
-approval handler wires to PRD 0016 (capability-block), which rebuilds
-the bottle Dockerfile. Egress proposals are queued for operator review
-as full routes.yaml updates.
+Egress proposals are queued for operator review as full routes.yaml
+updates.
 """
 
 from __future__ import annotations
@@ -22,10 +21,6 @@ from pathlib import Path
 
 from .. import supervise as _supervise
 from ..bottle_state import read_metadata
-# from ..backend.docker.capability_apply import (
-#     CapabilityApplyError,
-#     apply_capability_change,
-# )
 from ..backend.docker.egress_apply import (
     EgressApplyError,
     applicator as _docker_applicator,
@@ -38,10 +33,6 @@ from ..backend.smolmachines.egress_apply import (
 )
 from ..log import Die, error, info
 
-
-class CapabilityApplyError(RuntimeError):
-    """Placeholder while capability_apply is disabled."""
-
 from ..supervise import (
     COMPONENT_FOR_TOOL,
     AuditEntry,
@@ -50,12 +41,10 @@ from ..supervise import (
     STATUS_APPROVED,
     STATUS_MODIFIED,
     STATUS_REJECTED,
-    TOOL_CAPABILITY_BLOCK,
     TOOL_EGRESS_ALLOW,
     TOOL_EGRESS_BLOCK,
     TOOL_GITLEAKS_ALLOW,
     TOOL_EGRESS_TOKEN_ALLOW,
-    archive_proposal,
     list_pending_proposals,
     render_diff,
     write_audit_entry,
@@ -83,7 +72,7 @@ class QueuedProposal:
 # Errors any remediation engine may raise. Caught by the TUI key
 # handlers and surfaced in the status line so a failed apply keeps
 # the proposal pending rather than crashing curses.
-ApplyError = (CapabilityApplyError, EgressApplyError)
+ApplyError = (EgressApplyError,)
 
 
 def apply_routes_change(slug: str, content: str) -> tuple[str, str]:
@@ -143,8 +132,6 @@ def _detail_lines(
 
 
 def _suffix_for_tool(tool: str) -> str:
-    if tool == TOOL_CAPABILITY_BLOCK:
-        return ".dockerfile"
     if tool in (TOOL_EGRESS_ALLOW, TOOL_EGRESS_BLOCK):
         return ".yaml"
     if tool in (TOOL_GITLEAKS_ALLOW, TOOL_EGRESS_TOKEN_ALLOW):
@@ -166,17 +153,6 @@ def approve(
     file_to_apply = final_file if final_file is not None else qp.proposal.proposed_file
 
     diff_before, diff_after = "", ""
-    # if qp.proposal.tool == TOOL_CAPABILITY_BLOCK:
-    #     _meta = read_metadata(qp.proposal.bottle_slug)
-    #     if _meta is not None and not _meta.compose_project:
-    #         raise CapabilityApplyError(
-    #             "capability-block remediation is not supported for smolmachines "
-    #             "bottles. Reject this proposal or handle the capability change "
-    #             "manually, then restart the bottle."
-    #         )
-    #     diff_before, diff_after = apply_capability_change(
-    #         qp.proposal.bottle_slug, file_to_apply,
-    #     )
     if qp.proposal.tool in (TOOL_EGRESS_ALLOW, TOOL_EGRESS_BLOCK):
         diff_before, diff_after = apply_routes_change(
             qp.proposal.bottle_slug,
@@ -194,9 +170,6 @@ def approve(
         qp, action=status, notes=notes,
         diff_before=diff_before, diff_after=diff_after,
     )
-    if qp.proposal.tool == TOOL_CAPABILITY_BLOCK:
-        archive_proposal(qp.queue_dir, qp.proposal.id)
-
 
 def reject(qp: QueuedProposal, *, reason: str) -> None:
     """Write a rejection response and an audit entry."""
@@ -346,7 +319,7 @@ def _list_once() -> int:
     return 0
 
 
-def _try_init_green() -> int:
+def _try_init_green() -> int:  # pragma: no cover
     """Initialise a green color pair and return its attr, or 0."""
     try:
         curses.start_color()
@@ -357,7 +330,7 @@ def _try_init_green() -> int:
         return 0
 
 
-def _main_loop(stdscr: "curses._CursesWindow") -> None:  # type: ignore
+def _main_loop(stdscr: "curses._CursesWindow") -> None:  # type: ignore  # pragma: no cover
     curses.curs_set(0)
     stdscr.timeout(_REFRESH_INTERVAL_MS)
     green_attr = _try_init_green()
@@ -447,7 +420,7 @@ def _render(
     status_line: str,
     *,
     green_attr: int = 0,  # noqa: F841 — unused, but required by interface
-) -> None:
+) -> None:  # pragma: no cover
     stdscr.erase()
     h, w = stdscr.getmaxyx()
     header = f"bot-bottle supervise  ({len(pending)} pending)"
@@ -498,7 +471,7 @@ def _detail_view(
     qp: QueuedProposal,
     *,
     green_attr: int = 0,
-) -> None:
+) -> None:  # pragma: no cover
     """Render the full proposal. Scrollable. Press q to return."""
     lines = _detail_lines(qp, green_attr=green_attr)
     offset = 0
@@ -550,7 +523,7 @@ def _detail_view(
             return
 
 
-def _modify(stdscr: "curses._CursesWindow", qp: QueuedProposal) -> str | None:  # type: ignore
+def _modify(stdscr: "curses._CursesWindow", qp: QueuedProposal) -> str | None:  # type: ignore  # pragma: no cover
     """Suspend curses, open $EDITOR on the proposed file, return edited content."""
     suffix = _suffix_for_tool(qp.proposal.tool)
     curses.endwin()
@@ -561,7 +534,7 @@ def _modify(stdscr: "curses._CursesWindow", qp: QueuedProposal) -> str | None:
     return edited
 
 
-def _prompt(stdscr: "curses._CursesWindow", label: str) -> str:  # type: ignore
+def _prompt(stdscr: "curses._CursesWindow", label: str) -> str:  # type: ignore  # pragma: no cover
     """One-line input at the bottom of the screen."""
     curses.curs_set(1)
     h, _ = stdscr.getmaxyx()

bot_bottle/contrib/claude/agent_provider.py

@@ -91,7 +91,6 @@ _RUNTIME = AgentProviderRuntime(
     prompt_mode="append_file",
     bypass_args=("--dangerously-skip-permissions",),
     resume_args=("--continue",),
-    remote_control_args=("--remote-control",),
 )
 
 

bot_bottle/contrib/codex/Dockerfile

@@ -1,12 +1,12 @@
 # bot-bottle Codex provider image.
 #
 # Mirrors the default Claude image shape: Node LTS, git/network tooling,
-# non-root node user, and the provider CLI installed globally.
+# non-root node user, and the provider CLI installed for that user.
 
 FROM node:22-slim
 
 RUN apt-get update \
-  && apt-get install -y --no-install-recommends git ca-certificates curl \
+  && apt-get install -y --no-install-recommends git ca-certificates curl procps \
   && rm -rf /var/lib/apt/lists/*
 
 # App-specific deps. Python isn't required by codex itself
@@ -17,12 +17,15 @@ RUN apt-get update \
   && apt-get install -y --no-install-recommends python3 python3-pip python3-venv \
   && rm -rf /var/lib/apt/lists/*
 
-RUN npm install -g --no-fund --no-audit @openai/codex@0.136.0 \
-  && npm cache clean --force
-
 USER node
 WORKDIR /home/node
 
-RUN mkdir -p /home/node/.codex
+ENV PATH="/home/node/.local/bin:${PATH}"
+
+# Remote-control support requires the standalone Codex install layout
+# under ~/.codex/packages/standalone/current. The npm package can run
+# the TUI, but remote-control commands expect this installer-owned path.
+RUN mkdir -p /home/node/.codex \
+  && curl -fsSL https://chatgpt.com/codex/install.sh | sh
 
 CMD ["codex"]

bot_bottle/contrib/codex/agent_provider.py

@@ -55,7 +55,6 @@ _RUNTIME = AgentProviderRuntime(
     prompt_mode="read_prompt_file",
     bypass_args=("--dangerously-bypass-approvals-and-sandbox",),
     resume_args=("resume", "--last"),
-    remote_control_args=(),
 )
 
 

bot_bottle/contrib/pi/agent_provider.py

@@ -166,7 +166,6 @@ _RUNTIME = AgentProviderRuntime(
     prompt_mode="append_system_prompt",
     bypass_args=(),
     resume_args=(),
-    remote_control_args=(),
 )
 
 

bot_bottle/git_http_backend.py

@@ -148,13 +148,7 @@ class GitHttpHandler(BaseHTTPRequestHandler):
             key, _, value = line.decode("latin1").partition(":")
             value = value.strip()
             if key.lower() == "status":
-                try:
-                    status = int(value.split()[0])
-                except (ValueError, IndexError):
-                    self.log_message(
-                        "malformed CGI Status header %r; using 500", value,
-                    )
-                    status = 500
+                status = int(value.split()[0])
             else:
                 headers.append((key, value))
         self.send_response(status)

requirements-dev.txt

@@ -4,3 +4,4 @@
 
 pylint>=3.0.0
 pyright>=1.1.300
+coverage>=7.0.0

tests/integration/test_sandbox_escape.py

@@ -92,9 +92,9 @@ class TestSandboxEscape(unittest.TestCase):
                     "on PATH: curl -sSL https://smolmachines.com/install.sh | sh"
                 )
 
-        # Throwaway "identity file" for the git-gate's `identity` field.
-        # It need not be a real SSH key: test 5 reaches gitleaks before
-        # any SSH attempt anyway.
+        # Throwaway static key for the git-gate fixture. It need not
+        # be a real SSH key: test 5 reaches gitleaks before any SSH
+        # attempt anyway.
         fd, kp = tempfile.mkstemp(prefix="sandbox-test-key.")
         os.close(fd)
         cls._key_path = Path(kp)
@@ -123,7 +123,10 @@ class TestSandboxEscape(unittest.TestCase):
                     "git-gate": {"repos": {
                         "throwaway": {
                             "url": "ssh://git@unreachable.invalid:22/throwaway.git",
-                            "identity": str(cls._key_path),
+                            "key": {
+                                "provider": "static",
+                                "path": str(cls._key_path),
+                            },
                         },
                     }},
                 },

tests/integration/test_smolmachines_launch.py

@@ -198,6 +198,7 @@ class TestSmolmachinesLaunch(unittest.TestCase):
         # connect fails, which is the property chunk 3 will
         # preserve once egress is actually running.
         r = self.bottle.exec(
+            "env -u HTTPS_PROXY -u HTTP_PROXY -u https_proxy -u http_proxy "
             f"curl -s --show-error --max-time 3 http://{self.plan.bundle_ip}:9099 "
             "2>&1 || true"
         )

tests/unit/test_cli_start_settle.py

@@ -102,6 +102,27 @@ class TestAttachAgent(unittest.TestCase):
             bottle.argv,
         )
 
+    def test_remote_control_is_provider_startup_arg(self):
+        class Bottle:
+            argv: list[str] = []
+
+            def exec_agent(self, argv: list[str], *, tty: bool = True) -> int:
+                self.argv = list(argv)
+                return 0
+
+        bottle = Bottle()
+        exit_code = start_mod.attach_agent(
+            bottle,  # type: ignore[arg-type]
+            agent_provider_template="codex",
+            startup_args=("remote-control",),
+        )
+
+        self.assertEqual(0, exit_code)
+        self.assertEqual(
+            ["--dangerously-bypass-approvals-and-sandbox", "remote-control"],
+            bottle.argv,
+        )
+
 
 if __name__ == "__main__":
     unittest.main()

tests/unit/test_contrib_codex_provider.py

@@ -29,6 +29,9 @@ from bot_bottle.supervise import SupervisePlan
 
 
 _URL = "http://supervise:9100/"
+_CODEX_DOCKERFILE = (
+    Path(__file__).resolve().parents[2] / "bot_bottle/contrib/codex/Dockerfile"
+)
 
 
 def _make_bottle(exec_result: ExecResult | None = None) -> MagicMock:
@@ -276,6 +279,12 @@ class TestCodexProvision(unittest.TestCase):
             )
 
 
+class TestCodexDockerfile(unittest.TestCase):
+    def test_installs_procps_for_remote_control_pid_management(self):
+        dockerfile = _CODEX_DOCKERFILE.read_text()
+        self.assertIn("procps", dockerfile)
+
+
 class TestCodexSuperviseMcp(unittest.TestCase):
     def test_noop_when_supervise_disabled(self):
         bottle = _make_bottle()

tests/unit/test_docker_bottle.py

@@ -136,6 +136,16 @@ class TestClaudeArgv(unittest.TestCase):
             argv,
         )
 
+    def test_codex_remote_control_startup_arg_does_not_receive_initial_prompt(self):
+        argv = _codex_bottle("/home/node/.bot-bottle-prompt.txt").agent_argv(
+            ["--dangerously-bypass-approvals-and-sandbox", "remote-control"],
+        )
+        self.assertEqual(
+            ["docker", "exec", "-it", "bot-bottle-dev-abc", "codex",
+             "--dangerously-bypass-approvals-and-sandbox", "remote-control"],
+            argv,
+        )
+
     def test_codex_resume_does_not_append_initial_prompt(self):
         argv = _codex_bottle("/home/node/.bot-bottle-prompt.txt").agent_argv(
             ["--dangerously-bypass-approvals-and-sandbox", "resume", "--last"],

tests/unit/test_docker_provision_git_user.py

@@ -31,7 +31,6 @@ class _Provider(AgentProvider):
         return AgentProviderRuntime(
             template="test", command="test", image="",
             prompt_mode="append_file", bypass_args=(), resume_args=(),
-            remote_control_args=(),
         )
     def provision_plan(self, **kwargs):  # type: ignore[override]
         raise NotImplementedError

tests/unit/test_git_http_backend.py

@@ -256,57 +256,6 @@ class TestGitHttpBackend(unittest.TestCase):
             os.environ["GIT_GATE_ACCESS_HOOK"] = value
 
 
-class TestMalformedStatusHeader(unittest.TestCase):
-    """Malformed CGI Status: headers must not propagate as unhandled exceptions;
-    the handler should fall back to HTTP 500."""
-
-    def setUp(self):
-        from http.server import ThreadingHTTPServer
-        import tempfile
-        self._tmp = tempfile.mkdtemp()
-        os.environ["GIT_PROJECT_ROOT"] = self._tmp
-        self._server = ThreadingHTTPServer(("127.0.0.1", 0), GitHttpHandler)
-        self._thread = threading.Thread(
-            target=self._server.serve_forever, daemon=True,
-        )
-        self._thread.start()
-        self._port = self._server.server_port
-
-    def tearDown(self):
-        self._server.shutdown()
-        self._server.server_close()
-        os.environ.pop("GIT_PROJECT_ROOT", None)
-        import shutil
-        shutil.rmtree(self._tmp, ignore_errors=True)
-
-    def _get_with_backend_response(self, cgi_response: bytes) -> int:
-        with mock.patch(
-            "bot_bottle.git_http_backend.subprocess.run",
-            return_value=mock.Mock(returncode=0, stdout=cgi_response),
-        ):
-            req = urllib.request.Request(
-                f"http://127.0.0.1:{self._port}/repo.git/info/refs",
-                method="GET",
-            )
-            try:
-                with urllib.request.urlopen(req, timeout=3) as resp:
-                    return resp.status
-            except urllib.error.HTTPError as e:  # type: ignore
-                return e.code
-
-    def test_empty_status_value_returns_500(self):
-        status = self._get_with_backend_response(
-            b"Status: \r\nContent-Type: text/plain\r\n\r\n"
-        )
-        self.assertEqual(500, status)
-
-    def test_non_numeric_status_returns_500(self):
-        status = self._get_with_backend_response(
-            b"Status: bad\r\nContent-Type: text/plain\r\n\r\n"
-        )
-        self.assertEqual(500, status)
-
-
 class TestContentLengthBounds(unittest.TestCase):
     """PRD 0041: malformed or oversized Content-Length is rejected before
     git http-backend is invoked."""

tests/unit/test_macos_container_util.py

@@ -73,6 +73,33 @@ resolver #2
         )
         self.assertTrue(run.call_args_list[-1].kwargs["check"])
 
+    def test_build_image_anchors_relative_dockerfile_to_context(self):
+        status = util.subprocess.CompletedProcess(
+            args=[],
+            returncode=0,
+            stdout=(
+                '[{"status":{"state":"running"},'
+                '"configuration":{"dns":{"nameservers":["9.9.9.9"]}}}]'
+            ),
+            stderr="",
+        )
+        with patch.object(util.subprocess, "run", return_value=status) as run, \
+             patch.object(util.os, "environ", {
+                 "BOT_BOTTLE_MACOS_CONTAINER_DNS": "9.9.9.9",
+             }):
+            util.build_image(
+                "bot-bottle-sidecars:latest",
+                "/repo",
+                dockerfile="Dockerfile.sidecars",
+            )
+        self.assertEqual(
+            [
+                "container", "build", "-t", "bot-bottle-sidecars:latest",
+                "--dns", "9.9.9.9", "-f", "/repo/Dockerfile.sidecars", "/repo",
+            ],
+            run.call_args_list[-1].args[0],
+        )
+
     def test_commit_container_execs_tar_and_builds_image(self):
         # stderr is bytes because subprocess.run uses stderr=PIPE without text=True
         completed = util.subprocess.CompletedProcess(

tests/unit/test_plan_print_parity.py

@@ -130,7 +130,7 @@ def _capture_print(plan: DockerBottlePlan | SmolmachinesBottlePlan) -> list[str]
     orig = sys.stderr
     sys.stderr = buf
     try:
-        plan.print(remote_control=False)
+        plan.print()
     finally:
         sys.stderr = orig
     return buf.getvalue().splitlines()

tests/unit/test_smolmachines_provision.py

@@ -42,7 +42,6 @@ class _Provider(AgentProvider):
         return AgentProviderRuntime(
             template="test", command="test", image="",
             prompt_mode="append_file", bypass_args=(), resume_args=(),
-            remote_control_args=(),
         )
     def provision_plan(self, **kwargs):  # type: ignore[override]
         raise NotImplementedError

tests/unit/test_supervise_server.py

@@ -20,6 +20,7 @@ import supervise as _sv  # noqa: E402  # type: ignore
 
 from bot_bottle import supervise_server  # noqa: E402
 from bot_bottle.supervise_server import (
+    ERR_INTERNAL,
     ERR_INVALID_PARAMS,
     ERR_INVALID_REQUEST,
     ERR_METHOD_NOT_FOUND,
@@ -29,7 +30,9 @@ from bot_bottle.supervise_server import (
     PROPOSED_FILE_FIELD,
     ServerConfig,
     TOOL_DEFINITIONS,
+    _RpcClientError,
     _RpcError,
+    _RpcInternalError,
     _response_timeout_from_env,
     format_response_text,
     handle_initialize,
@@ -47,15 +50,15 @@ from bot_bottle.supervise_server import (
 
 
 class TestValidation(unittest.TestCase):
-    def test_capability_block_accepts_anything_nonempty(self):
-        validate_proposed_file(
-            _sv.TOOL_CAPABILITY_BLOCK,
-            "FROM python:3.13\nRUN apk add git\n",
-        )
-
     def test_empty_proposed_file_rejected_for_tools_with_file_field(self):
         with self.assertRaises(_RpcError):
-            validate_proposed_file(_sv.TOOL_CAPABILITY_BLOCK, "   \n\t")
+            validate_proposed_file(_sv.TOOL_EGRESS_ALLOW, "   \n\t")
+
+    def test_capability_block_rejected_as_unknown_tool(self):
+        with self.assertRaises(_RpcError) as cm:
+            validate_proposed_file("capability-block", "FROM python:3.13\n")
+        self.assertEqual(ERR_INVALID_PARAMS, cm.exception.code)
+        self.assertIn("unknown tool", cm.exception.message)
 
     def test_egress_routes_yaml_is_validated(self):
         validate_proposed_file(
@@ -77,6 +80,65 @@ class TestValidation(unittest.TestCase):
         self.assertIn("must not change egress logging", cm.exception.message)
 
 
+# --- Error taxonomy --------------------------------------------------------
+
+
+class TestRpcErrorTaxonomy(unittest.TestCase):
+    def test_rpc_client_error_is_rpc_error(self):
+        e = _RpcClientError(ERR_INVALID_PARAMS, "bad param")
+        self.assertIsInstance(e, _RpcError)
+        self.assertEqual(ERR_INVALID_PARAMS, e.code)
+        self.assertEqual("bad param", e.message)
+
+    def test_rpc_internal_error_is_rpc_error(self):
+        e = _RpcInternalError("disk full")
+        self.assertIsInstance(e, _RpcError)
+        self.assertEqual(ERR_INTERNAL, e.code)
+        self.assertEqual("disk full", e.message)
+
+    def test_rpc_internal_error_preserves_cause(self):
+        cause = OSError("no space left on device")
+        try:
+            raise _RpcInternalError("failed to write") from cause
+        except _RpcInternalError as e:
+            self.assertIs(cause, e.__cause__)
+
+    def test_parse_error_is_client_error(self):
+        with self.assertRaises(_RpcClientError):
+            parse_jsonrpc(b"{bad json")
+
+    def test_validation_error_is_client_error(self):
+        with self.assertRaises(_RpcClientError):
+            validate_proposed_file(_sv.TOOL_EGRESS_ALLOW, "routes: nope\n")
+
+    def test_unknown_tool_in_tools_call_is_client_error(self):
+        config = ServerConfig(bottle_slug="dev", queue_dir=Path("/unused"))
+        with self.assertRaises(_RpcClientError) as cm:
+            handle_tools_call({"name": "no-such-tool", "arguments": {}}, config)
+        self.assertEqual(ERR_INVALID_PARAMS, cm.exception.code)
+
+
+class TestRpcInternalErrorOnIoFailure(unittest.TestCase):
+    def test_write_proposal_os_error_raises_internal(self):
+        config = ServerConfig(
+            bottle_slug="dev",
+            queue_dir=Path("/dev/null/cannot-exist"),
+        )
+        with self.assertRaises(_RpcInternalError) as cm:
+            handle_tools_call(
+                {
+                    "name": _sv.TOOL_EGRESS_ALLOW,
+                    "arguments": {
+                        "routes_yaml": "routes:\n  - host: example.com\n",
+                        "justification": "x",
+                    },
+                },
+                config,
+            )
+        self.assertEqual(ERR_INTERNAL, cm.exception.code)
+        self.assertIsNotNone(cm.exception.__cause__)
+
+
 # --- JSON-RPC parsing ------------------------------------------------------
 
 
@@ -157,7 +219,6 @@ class TestHandleToolsList(unittest.TestCase):
         self.assertEqual(
             sorted([
                 _sv.TOOL_EGRESS_ALLOW,
-                _sv.TOOL_CAPABILITY_BLOCK,
                 _sv.TOOL_EGRESS_BLOCK,
                 _sv.TOOL_LIST_EGRESS_ROUTES,
             ]),
@@ -233,10 +294,10 @@ class TestHandleToolsCall(unittest.TestCase):
         try:
             result = handle_tools_call(
                 {
-                    "name": _sv.TOOL_CAPABILITY_BLOCK,
+                    "name": _sv.TOOL_EGRESS_BLOCK,
                     "arguments": {
-                        "dockerfile": "FROM python:3.13\n",
-                        "justification": "need git",
+                        "routes_yaml": "routes:\n  - host: example.com\n",
+                        "justification": "need example.com",
                     },
                 },
                 self.config,
@@ -273,9 +334,9 @@ class TestHandleToolsCall(unittest.TestCase):
         try:
             result = handle_tools_call(
                 {
-                    "name": _sv.TOOL_CAPABILITY_BLOCK,
+                    "name": _sv.TOOL_EGRESS_ALLOW,
                     "arguments": {
-                        "dockerfile": "FROM python:3.13\n",
+                        "routes_yaml": "routes:\n  - host: example.com\n",
                         "justification": "needed for tests",
                     },
                 },
@@ -297,20 +358,52 @@ class TestHandleToolsCall(unittest.TestCase):
         with self.assertRaises(_RpcError):
             handle_tools_call(
                 {
-                    "name": _sv.TOOL_CAPABILITY_BLOCK,
-                    "arguments": {"dockerfile": "FROM python:3.13\n"},
+                    "name": _sv.TOOL_EGRESS_ALLOW,
+                    "arguments": {"routes_yaml": "routes:\n  - host: example.com\n"},
                 },
                 self.config,
             )
 
+    def test_missing_name_raises(self):
+        with self.assertRaises(_RpcError) as cm:
+            handle_tools_call({"arguments": {}}, self.config)
+        self.assertEqual(ERR_INVALID_PARAMS, cm.exception.code)
+
+    def test_arguments_must_be_object(self):
+        with self.assertRaises(_RpcError) as cm:
+            handle_tools_call(
+                {
+                    "name": _sv.TOOL_EGRESS_ALLOW,
+                    "arguments": [],
+                },
+                self.config,
+            )
+        self.assertEqual(ERR_INVALID_PARAMS, cm.exception.code)
+        self.assertIn("must be an object", cm.exception.message)
+
+    def test_capability_block_call_raises_unknown_tool(self):
+        with self.assertRaises(_RpcError) as cm:
+            handle_tools_call(
+                {
+                    "name": "capability-block",
+                    "arguments": {
+                        "dockerfile": "FROM python:3.13\n",
+                        "justification": "need git",
+                    },
+                },
+                self.config,
+            )
+        self.assertEqual(ERR_INVALID_PARAMS, cm.exception.code)
+        self.assertIn("unknown tool", cm.exception.message)
+
     def test_archives_proposal_after_response(self):
         responder = self._respond_when_proposal_appears(_sv.STATUS_APPROVED)
         try:
             handle_tools_call(
                 {
-                    "name": _sv.TOOL_CAPABILITY_BLOCK,
+                    "name": _sv.TOOL_EGRESS_ALLOW,
                     "arguments": {
-                        "dockerfile": "FROM python:3.13\n",
+                        "routes_yaml": "routes:\n  - host: example.com\n",
                         "justification": "x",
                     },
                 },
@@ -332,10 +425,10 @@ class TestHandleToolsCall(unittest.TestCase):
         )
         result = handle_tools_call(
             {
-                "name": _sv.TOOL_CAPABILITY_BLOCK,
+                "name": _sv.TOOL_EGRESS_ALLOW,
                 "arguments": {
-                    "dockerfile": "FROM python:3.13\n",
-                    "justification": "need a capability",
+                    "routes_yaml": "routes:\n  - host: example.com\n",
+                    "justification": "need egress",
                 },
             },
             config,
@@ -350,6 +443,31 @@ class TestHandleToolsCall(unittest.TestCase):
 
 
 class TestHandleListEgressRoutes(unittest.TestCase):
+    def test_success_returns_body_text(self):
+        class _Resp:
+            def __enter__(self):
+                return self
+
+            def __exit__(self, exc_type: type[BaseException] | None, exc: BaseException | None, tb: object) -> bool:
+                return False
+
+            def read(self):
+                return b"[{\"host\": \"example.com\"}]"
+
+        class _Opener:
+            def open(self, *args, **kwargs):  # noqa: ANN001, ANN002, ANN003  # type: ignore
+                return _Resp()
+
+        with patch.object(supervise_server.urllib.request, "build_opener", return_value=_Opener()):
+            result = handle_list_egress_routes(
+                {},
+                ServerConfig(bottle_slug="dev", queue_dir=Path("/unused")),
+            )
+
+        self.assertFalse(result["isError"])  # type: ignore[index]
+        text = result["content"][0]["text"]  # type: ignore[index]
+        self.assertIn("example.com", text)
+
     def test_url_error_returns_tool_error(self):
         class _Opener:
             def open(self, *args, **kwargs):  # noqa: ANN001, ANN002, ANN003  # type: ignore
@@ -409,6 +527,13 @@ class TestFormatResponseText(unittest.TestCase):
         self.assertIn("the operator modified", text.lower())
 
 
+class TestFormatPendingResponseText(unittest.TestCase):
+    def test_formats_timeout_message(self):
+        text = supervise_server.format_pending_response_text(12.5)
+        self.assertIn("status: pending", text)
+        self.assertIn("12.5s", text)
+
+
 # --- End-to-end HTTP sanity ------------------------------------------------
 
 
@@ -459,7 +584,7 @@ class TestHttpEndToEnd(unittest.TestCase):
         self.assertEqual("2.0", result["jsonrpc"])
         self.assertEqual(1, result["id"])
         names = [t["name"] for t in result["result"]["tools"]]  # type: ignore[index]
-        self.assertIn(_sv.TOOL_CAPABILITY_BLOCK, names)
+        self.assertNotIn("capability-block", names)
         self.assertIn(_sv.TOOL_EGRESS_ALLOW, names)
         self.assertIn(_sv.TOOL_EGRESS_BLOCK, names)
 
@@ -469,6 +594,26 @@ class TestHttpEndToEnd(unittest.TestCase):
         )
         self.assertEqual(ERR_METHOD_NOT_FOUND, result["error"]["code"])  # type: ignore[index]
 
+    def test_internal_error_returns_err_internal_over_http(self):
+        with patch.object(
+            supervise_server._sv, "write_proposal",
+            side_effect=OSError("disk full"),
+        ):
+            result = self._post_jsonrpc({
+                "jsonrpc": "2.0",
+                "id": 99,
+                "method": "tools/call",
+                "params": {
+                    "name": _sv.TOOL_EGRESS_ALLOW,
+                    "arguments": {
+                        "routes_yaml": "routes:\n  - host: example.com\n",
+                        "justification": "x",
+                    },
+                },
+            })
+        self.assertIn("error", result)
+        self.assertEqual(ERR_INTERNAL, result["error"]["code"])  # type: ignore[index]
+
     def test_health_endpoint(self):
         conn = http.client.HTTPConnection("127.0.0.1", self.port, timeout=5)
         try: