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"""
Agent Command Registrar for Spec Kit
Shared infrastructure for registering commands with AI agents.
Used by both the extension system and the preset system to write
command files into agent-specific directories in the correct format.
"""
import os
import re
from copy import deepcopy
from pathlib import Path
from typing import Any, Dict, Iterable, List, Optional
import yaml
from ._init_options import is_ai_skills_enabled, load_init_options
from ._invocation_style import get_invocation_prefix
from ._toml_string import escape_toml_basic as _escape_toml_basic
from ._toml_string import has_illegal_toml_control as _has_illegal_toml_control
from ._utils import relative_extension_path_violation
def _build_agent_configs() -> dict[str, Any]:
"""Derive CommandRegistrar.AGENT_CONFIGS from INTEGRATION_REGISTRY."""
from specify_cli.integrations import INTEGRATION_REGISTRY
configs: dict[str, dict[str, Any]] = {}
for key, integration in INTEGRATION_REGISTRY.items():
if key == "generic":
continue
if integration.registrar_config:
config = dict(integration.registrar_config)
# Propagate invoke_separator from the integration class when the
# registrar_config dict doesn't already declare it explicitly.
# SkillsIntegration subclasses (claude, codex, …) set
# invoke_separator="-" as a class attribute but omit it from
# registrar_config, so without this they would fall back to "."
# when register_commands() resolves __SPECKIT_COMMAND_*__ tokens.
if "invoke_separator" not in config:
config["invoke_separator"] = integration.invoke_separator
if integration.dev_no_symlink:
config["dev_no_symlink"] = True
configs[key] = config
return configs
class CommandRegistrar:
"""Handles registration of commands with AI agents.
Supports writing command files in Markdown or TOML format to the
appropriate agent directory, with correct argument placeholders
and companion files (e.g. Copilot .prompt.md).
"""
# Derived from INTEGRATION_REGISTRY — single source of truth.
# Populated lazily via _ensure_configs() on first use.
AGENT_CONFIGS: dict[str, dict[str, Any]] = {}
_configs_loaded: bool = False
def __init__(self) -> None:
self._ensure_configs()
def __init_subclass__(cls, **kwargs: Any) -> None:
super().__init_subclass__(**kwargs)
cls._ensure_configs()
@classmethod
def _ensure_configs(cls) -> None:
if not cls._configs_loaded:
try:
cls.AGENT_CONFIGS = _build_agent_configs()
cls._configs_loaded = True
except ImportError:
pass # Circular import during module init; retry on next access
@staticmethod
def _hyphenate_frontmatter_refs(val: Any) -> Any:
"""Recursively find any dotted references starting with speckit. and hyphenate them."""
if isinstance(val, dict):
return {
k: CommandRegistrar._hyphenate_frontmatter_refs(v)
for k, v in val.items()
}
elif isinstance(val, list):
return [CommandRegistrar._hyphenate_frontmatter_refs(x) for x in val]
elif isinstance(val, str):
return re.sub(
r"\bspeckit\.[A-Za-z0-9-_]+(?:\.[A-Za-z0-9-_]+)*\b",
lambda m: m.group(0).replace(".", "-"),
val,
)
return val
@staticmethod
def _hyphenate_body_refs(body: str) -> str:
"""Hyphenate dotted speckit references in command body text."""
return re.sub(
r"\bspeckit\.[A-Za-z0-9-_]+(?:\.[A-Za-z0-9-_]+)*\b",
lambda m: m.group(0).replace(".", "-"),
body,
)
@staticmethod
def parse_frontmatter(content: str) -> tuple[dict, str]:
"""Parse YAML frontmatter from Markdown content.
Args:
content: Markdown content with YAML frontmatter
Returns:
Tuple of (frontmatter_dict, body_content)
"""
if not content.startswith("---"):
return {}, content
# The closing delimiter is a line that is exactly ``---`` (a YAML
# document separator), not any ``---`` substring. Scanning with
# ``content.find("---", 3)`` stops at the first ``---`` *anywhere* —
# including one embedded in a frontmatter value (e.g. a description like
# "Separate sections with ---") or inside an indented literal block —
# which truncates the frontmatter and spills the remainder into the
# body. Match on line boundaries instead, mirroring the line-anchored
# scan in ``VibeIntegration._inject_frontmatter_flag``.
lines = content.splitlines(keepends=True)
end_line = next(
(i for i in range(1, len(lines)) if lines[i].rstrip() == "---"),
None,
)
if end_line is None:
return {}, content
frontmatter_str = "".join(lines[1:end_line]).strip()
body = "".join(lines[end_line + 1 :]).strip()
try:
frontmatter = yaml.safe_load(frontmatter_str) or {}
except yaml.YAMLError:
frontmatter = {}
if not isinstance(frontmatter, dict):
frontmatter = {}
return frontmatter, body
@staticmethod
def render_frontmatter(fm: dict) -> str:
"""Render frontmatter dictionary as YAML.
Args:
fm: Frontmatter dictionary
Returns:
YAML-formatted frontmatter with delimiters
"""
if not fm:
return ""
yaml_str = yaml.dump(
fm,
default_flow_style=False,
sort_keys=False,
allow_unicode=True,
width=float("inf"),
)
return f"---\n{yaml_str}---\n"
def _adjust_script_paths(
self, frontmatter: dict, extension_id: Optional[str] = None
) -> dict:
"""Normalize script paths in frontmatter to generated project locations.
Rewrites known repo-relative and top-level script paths under the
``scripts`` key (for example ``../../scripts/``,
``../../templates/``, ``../../memory/``, ``scripts/``, ``templates/``, and
``memory/``) to the ``.specify/...`` paths used in generated projects.
Args:
frontmatter: Frontmatter dictionary
extension_id: Extension id when rendering extension-owned commands.
Returns:
Modified frontmatter with normalized project paths
"""
frontmatter = deepcopy(frontmatter)
scripts = frontmatter.get("scripts")
if isinstance(scripts, dict):
for key, script_path in scripts.items():
if isinstance(script_path, str):
scripts[key] = self.rewrite_project_relative_paths(
script_path, extension_id=extension_id
)
return frontmatter
@staticmethod
def rewrite_project_relative_paths(
text: str, extension_id: Optional[str] = None
) -> str:
"""Rewrite repo-relative paths to their generated project locations."""
if not isinstance(text, str) or not text:
return text
for old, new in (
("../../memory/", ".specify/memory/"),
("../../scripts/", ".specify/scripts/"),
("../../templates/", ".specify/templates/"),
):
text = text.replace(old, new)
# Only rewrite top-level style references so existing generated paths
# like ".specify/extensions/<ext>/scripts/..." remain intact. When
# rendering extension commands, top-level "scripts/" is extension-local.
scripts_replacement = (
f".specify/extensions/{extension_id}/scripts/"
if extension_id
else ".specify/scripts/"
)
text = re.sub(r'(^|[\s`"\'(])(?:\.?/)?memory/', r"\1.specify/memory/", text)
text = re.sub(
r'(^|[\s`"\'(])(?:\.?/)?scripts/', rf"\1{scripts_replacement}", text
)
text = re.sub(
r'(^|[\s`"\'(])(?:\.?/)?templates/', r"\1.specify/templates/", text
)
return text.replace(".specify/.specify/", ".specify/").replace(
".specify.specify/", ".specify/"
)
@staticmethod
def rewrite_extension_paths(
text: str, extension_id: str, extension_dir: Path
) -> str:
"""Rewrite extension-relative paths to their installed locations.
Extension command bodies reference bundled files relative to the
extension root (e.g. ``agents/control/commander.md``). After install
those files live under ``.specify/extensions/<id>/``, so bare
references would resolve against the workspace root and never be
found (#2101).
Only directories that actually exist inside *extension_dir* are
rewritten, keeping the behaviour conservative and avoiding false
positives on prose. ``commands`` (slash-command sources), ``specs``
(user project artifacts) and dot-directories are never rewritten.
"""
if not isinstance(text, str) or not text:
return text
skip = {"commands", ".git", "specs"}
try:
subdirs = [
entry.name
for entry in extension_dir.iterdir()
if entry.is_dir()
and entry.name not in skip
and not entry.name.startswith(".")
]
except OSError:
return text
for subdir in subdirs:
# Only rewrite relative references (subdir/... or ./subdir/...);
# absolute paths like /subdir/... keep their meaning. Use a
# callable replacement: subdir/extension_id come from the
# filesystem and could contain backslashes or "\1"-like
# sequences, which would corrupt a string replacement template.
replacement = f".specify/extensions/{extension_id}/{subdir}/"
text = re.sub(
r'(^|[\s`"\'(])(?:\./)?' + re.escape(subdir) + "/",
lambda m: m.group(1) + replacement,
text,
)
return text
def render_markdown_command(
self, frontmatter: dict, body: str, source_id: str, context_note: Optional[str] = None
) -> str:
"""Render command in Markdown format.
Args:
frontmatter: Command frontmatter
body: Command body content
source_id: Source identifier (extension or preset ID)
context_note: Custom context comment (default: <!-- Source: {source_id} -->)
Returns:
Formatted Markdown command file content
"""
if context_note is None:
context_note = f"\n<!-- Source: {source_id} -->\n"
return self.render_frontmatter(frontmatter) + "\n" + context_note + body
def render_toml_command(self, frontmatter: dict, body: str, source_id: str) -> str:
"""Render command in TOML format.
Args:
frontmatter: Command frontmatter
body: Command body content
source_id: Source identifier (extension or preset ID)
Returns:
Formatted TOML command file content
"""
toml_lines = []
if "description" in frontmatter:
# Frontmatter comes from ``yaml.safe_load``, so ``description`` can
# be any YAML type: ``description:`` with no value yields None,
# ``description: 2`` an int, an unquoted ``true`` a bool.
# ``_render_basic_toml_string`` iterates the value and calls ord()
# on each character, so a non-string raises a raw TypeError -- and a
# list of single-character items is silently concatenated into a
# wrong value (``["a", "b"]`` -> ``"ab"``). Coerce first, matching
# ``render_yaml_command`` below and ``TomlIntegration
# ._extract_description``, which both normalise it already.
description = frontmatter["description"]
if not isinstance(description, str):
description = str(description) if description is not None else ""
toml_lines.append(
f"description = {self._render_basic_toml_string(description)}"
)
toml_lines.append("")
toml_lines.append(f"# Source: {source_id}")
toml_lines.append("")
# Keep TOML output valid even when body contains triple-quote delimiters
# or backslashes. Prefer multiline forms, then fall back to escaped basic
# string. A multiline *basic* string ("""...""") processes backslash escape
# sequences, so a body containing a backslash (e.g. a Windows path
# ``C:\\Users\\...`` whose ``\\U`` reads as an invalid unicode escape) would
# produce unparseable TOML — route those to the *literal* form ('''...'''),
# which does not process escapes, or to the escaped basic string.
# Control characters (U+0000–U+001F except tab/newline, U+007F) and a bare
# CR are illegal in every TOML string form, so a body containing them must
# go to the escaped basic string regardless of which delimiters it uses.
if self._has_illegal_toml_control(body):
toml_lines.append(f"prompt = {self._render_basic_toml_string(body)}")
elif '"""' not in body and "\\" not in body:
toml_lines.append('prompt = """')
toml_lines.append(body)
toml_lines.append('"""')
elif "'''" not in body:
toml_lines.append("prompt = '''")
toml_lines.append(body)
toml_lines.append("'''")
else:
toml_lines.append(f"prompt = {self._render_basic_toml_string(body)}")
return "\n".join(toml_lines)
# Control-char detection and basic-string escaping are shared with the
# gemini/tabnine renderer in ``specify_cli.integrations.base`` via
# ``specify_cli._toml_string`` so the two never drift apart.
_has_illegal_toml_control = staticmethod(_has_illegal_toml_control)
_render_basic_toml_string = staticmethod(_escape_toml_basic)
def render_yaml_command(
self,
frontmatter: dict,
body: str,
source_id: str,
cmd_name: str = "",
) -> str:
"""Render command in YAML recipe format for Goose.
Args:
frontmatter: Command frontmatter
body: Command body content
source_id: Source identifier (extension or preset ID)
cmd_name: Command name used as title fallback
Returns:
Formatted YAML recipe file content
"""
from specify_cli.integrations.base import YamlIntegration
title = frontmatter.get("title", "") or frontmatter.get("name", "")
if not isinstance(title, str):
title = str(title) if title is not None else ""
if not title and cmd_name:
title = YamlIntegration._human_title(cmd_name)
if not title and source_id:
title = YamlIntegration._human_title(Path(str(source_id)).stem)
if not title:
title = "Command"
description = frontmatter.get("description", "")
if not isinstance(description, str):
description = str(description) if description is not None else ""
return YamlIntegration._render_yaml(title, description, body, source_id)
def render_skill_command(
self,
agent_name: str,
skill_name: str,
frontmatter: dict,
body: str,
source_id: str,
source_file: str,
project_root: Path,
extension_id: Optional[str] = None,
) -> str:
"""Render a command override as a SKILL.md file.
SKILL-target agents should receive the same skills-oriented
frontmatter shape used elsewhere in the project instead of the
original command frontmatter.
Technical debt note:
Spec-kit currently has multiple SKILL.md generators (template packaging,
init-time conversion, and extension/preset overrides). Keep the skill
frontmatter keys aligned (name/description/compatibility/metadata, with
metadata.author and metadata.source subkeys) to avoid drift across agents.
"""
if not isinstance(frontmatter, dict):
frontmatter = {}
agent_config = self.AGENT_CONFIGS.get(agent_name, {})
if agent_config.get("extension") == "/SKILL.md":
body = self.resolve_skill_placeholders(
agent_name, frontmatter, body, project_root, extension_id=extension_id
)
description = frontmatter.get(
"description", f"Spec-kit workflow command: {skill_name}"
)
skill_frontmatter = self.build_skill_frontmatter(
agent_name,
skill_name,
description,
f"{source_id}:{source_file}",
)
return self.render_frontmatter(skill_frontmatter) + "\n" + body
@staticmethod
def build_skill_frontmatter(
agent_name: str,
skill_name: str,
description: str,
source: str,
) -> dict:
"""Build consistent SKILL.md frontmatter across all skill generators."""
skill_frontmatter = {
"name": skill_name,
"description": description,
"compatibility": "Requires spec-kit project structure with .specify/ directory",
"metadata": {
"author": "github-spec-kit",
"source": source,
},
}
return skill_frontmatter
@staticmethod
def apply_argument_hint(
source_frontmatter: Dict[str, Any],
skill_frontmatter: Dict[str, Any],
integration: Optional[object] = None,
) -> None:
"""Carry a command's ``argument-hint`` into its generated skill frontmatter.
Copies ``argument-hint`` from the parsed source command frontmatter into
*skill_frontmatter* (mutated in place) before serialization, so that a
folded multi-line ``description`` cannot be split into invalid YAML. Only
integrations that support the field — those exposing
``inject_argument_hint`` (currently Claude) — receive the key, leaving
:meth:`build_skill_frontmatter`'s shared shape unchanged for every other
agent. Built-in templates carry no ``argument-hint``, so this is a no-op
for the core path.
"""
if not isinstance(source_frontmatter, dict) or not isinstance(skill_frontmatter, dict):
return
argument_hint = source_frontmatter.get("argument-hint")
if (
argument_hint
and integration is not None
and hasattr(integration, "inject_argument_hint")
):
skill_frontmatter["argument-hint"] = str(argument_hint)
@staticmethod
def resolve_skill_placeholders(
agent_name: str,
frontmatter: dict,
body: str,
project_root: Path,
extension_id: Optional[str] = None,
) -> str:
"""Resolve script placeholders for skills-backed agents."""
if not isinstance(frontmatter, dict):
frontmatter = {}
scripts = frontmatter.get("scripts", {}) or {}
if not isinstance(scripts, dict):
scripts = {}
init_opts = load_init_options(project_root)
if not isinstance(init_opts, dict):
init_opts = {}
script_variant = init_opts.get("script")
if scripts:
from specify_cli.integrations.base import IntegrationBase
script_variant = IntegrationBase.select_script_variant(
script_variant, scripts
)
script_command = scripts.get(script_variant) if script_variant else None
if script_command:
if script_variant == "py":
script_command = IntegrationBase.build_python_invocation(
script_command, project_root
)
script_command = script_command.replace("{ARGS}", "$ARGUMENTS")
body = body.replace("{SCRIPT}", script_command)
body = body.replace("{ARGS}", "$ARGUMENTS").replace("__AGENT__", agent_name)
return CommandRegistrar.rewrite_project_relative_paths(
body, extension_id=extension_id
)
def _convert_argument_placeholder(
self, content: str, from_placeholder: str, to_placeholder: str
) -> str:
"""Convert argument placeholder format.
Args:
content: Command content
from_placeholder: Source placeholder (e.g., "$ARGUMENTS")
to_placeholder: Target placeholder (e.g., "{{args}}")
Returns:
Content with converted placeholders
"""
return content.replace(from_placeholder, to_placeholder)
@staticmethod
def _compute_output_name(
agent_name: str, cmd_name: str, agent_config: Dict[str, Any]
) -> str:
"""Compute the on-disk command or skill name for an agent."""
if agent_config["extension"] != "/SKILL.md":
format_name = agent_config.get("format_name")
if format_name:
return format_name(cmd_name)
return cmd_name
short_name = cmd_name
if short_name.startswith("speckit."):
short_name = short_name[len("speckit.") :]
short_name = short_name.replace(".", "-")
return f"speckit-{short_name}"
@staticmethod
def _ensure_inside(candidate: Path, base: Path) -> None:
"""Validate that a write target stays within the expected base directory.
Uses lexical normalization so traversal via ``..`` or absolute paths is
rejected while intentionally symlinked sub-directories remain
supported.
Args:
candidate: Path that will be written.
base: Directory the write must remain within.
Raises:
ValueError: If the normalized candidate path escapes ``base``.
"""
normalized = Path(os.path.normpath(candidate))
base_normalized = Path(os.path.normpath(base))
if not normalized.is_relative_to(base_normalized):
raise ValueError(f"Output path {candidate!r} escapes directory {base!r}")
@staticmethod
def _is_safe_command_name(name: str) -> bool:
"""Reject names that could escape the commands directory via path traversal."""
if os.path.sep in name or "/" in name or "\\" in name:
return False
return os.path.normpath(name) == name
@staticmethod
def _same_lexical_path(left: Path, right: Path) -> bool:
"""Compare paths after lexical normalization without resolving symlinks."""
return os.path.normcase(os.path.normpath(os.fspath(left))) == os.path.normcase(
os.path.normpath(os.fspath(right))
)
@staticmethod
def _active_skills_agent(project_root: Path) -> Optional[str]:
"""Return the initialized skills-backed agent, if skills mode is active."""
opts = load_init_options(project_root)
if not isinstance(opts, dict):
return None
agent = opts.get("ai")
if not isinstance(agent, str) or not agent:
return None
# Kimi is a native skills integration; when ai_skills is not boolean
# True, Kimi still uses its existing SKILL.md layout.
if not is_ai_skills_enabled(opts) and agent != "kimi":
return None
return agent
def register_commands(
self,
agent_name: str,
commands: List[Dict[str, Any]],
source_id: str,
source_dir: Path,
project_root: Path,
context_note: Optional[str] = None,
_resolved_dir: Optional[Path] = None,
link_outputs: bool = False,
extension_id: Optional[str] = None,
) -> List[str]:
"""Register commands for a specific agent.
Args:
agent_name: Agent name (claude, gemini, copilot, etc.)
commands: List of command info dicts with 'name', 'file', and optional 'aliases'
source_id: Identifier of the source (extension or preset ID)
source_dir: Directory containing command source files
project_root: Path to project root
context_note: Custom context comment for markdown output
_resolved_dir: Pre-resolved command directory (internal use
only — avoids a second ``_resolve_agent_dir`` call and
duplicate deprecation warnings when invoked from
``register_commands_for_all_agents``).
link_outputs: If True, write rendered output to a source-local
dev cache and symlink the agent command file to it. Falls back
to a normal file write when symlinks are unavailable.
extension_id: Extension id when rendering extension-owned commands.
Returns:
List of registered command names
Raises:
ValueError: If agent is not supported
"""
self._ensure_configs()
if agent_name not in self.AGENT_CONFIGS:
raise ValueError(f"Unsupported agent: {agent_name}")
agent_config = self.AGENT_CONFIGS[agent_name]
commands_dir = _resolved_dir or self._resolve_agent_dir(
agent_name, agent_config, project_root,
)
commands_dir.mkdir(parents=True, exist_ok=True)
registered = []
is_cline_ext = agent_name == "cline" and source_id != "core"
source_root = source_dir.resolve()
# Resolve the command-reference separator for the file THIS registrar
# is about to write. The separator must match the *output layout* the
# registrar produces for this agent — not the project's persisted
# ``ai_skills`` flag, and not unrelated sibling directories on disk. A
# skill scaffold ("/SKILL.md") uses the skills separator; any
# command-layout output (".md", ".agent.md", ".toml", …) uses the
# command separator.
#
# This holds for the *active* agent too. Dual-layout agents (Bob,
# Copilot) write their skills via their own setup()/skills path, so
# ``register_commands`` only ever emits their command-layout files.
# Deriving the separator from ``ai_skills`` would render such a
# ``.bob/commands/*.md`` (or ``.github/agents/*.agent.md``) file with
# ``/speckit-*`` whenever that agent is active in skills mode — even
# though a command-layout file must use ``/speckit.*``. Deriving it
# from the agent's static output config avoids that mismatch and stays
# correct when a stale ``.bob/skills`` directory coexists with
# ``.bob/commands``.
_sep = agent_config.get("invoke_separator", ".")
registrar_writes_skills = agent_config.get("extension") == "/SKILL.md"
try:
from specify_cli.integrations import get_integration # noqa: PLC0415
_integ = get_integration(agent_name)
if _integ is not None:
_sep = _integ.invoke_separator_for_mode(registrar_writes_skills)
except (ImportError, ValueError, KeyError):
pass
_prefix = get_invocation_prefix(agent_name, registrar_writes_skills)
for cmd_info in commands:
cmd_name = cmd_info["name"]
aliases = cmd_info.get("aliases", [])
cmd_file = cmd_info["file"]
name_reason = relative_extension_path_violation(cmd_name)
if name_reason:
raise ValueError(
f"Invalid command name {cmd_name!r}: {name_reason}"
)
if aliases is None:
aliases = []
if not isinstance(aliases, list):
raise ValueError(
f"Aliases for command {cmd_name!r} must be a list"
)
for alias in aliases:
alias_reason = relative_extension_path_violation(alias)
if alias_reason:
raise ValueError(
f"Invalid command alias {alias!r}: {alias_reason}"
)
# Guard against path traversal using the single shared policy in
# relative_extension_path_violation(), so the runtime guard stays
# aligned with ExtensionManifest._validate() and the skill/preset
# readers. Skip a malformed/unsafe ``file`` (non-string, empty,
# whitespace, absolute/anchored, or ``..`` traversal); the
# resolve()/relative_to() check below is the final containment
# backstop.
if relative_extension_path_violation(cmd_file):
continue
try:
source_file = (source_root / cmd_file).resolve()
source_file.relative_to(source_root) # raises ValueError if outside
except (OSError, ValueError):
continue
if not source_file.is_file():
continue
try:
content = source_file.read_text(encoding="utf-8")
except (OSError, UnicodeDecodeError) as exc:
import warnings
warnings.warn(
f"Skipping command '{cmd_name}': could not read source file "
f"'{cmd_file}' ({exc.__class__.__name__}: {exc}).",
stacklevel=2,
)
continue
frontmatter, body = self.parse_frontmatter(content)
if frontmatter.get("strategy") == "wrap":
from .presets import _substitute_core_template
body, core_frontmatter = _substitute_core_template(
body, cmd_name, project_root, self
)
frontmatter = dict(frontmatter)
for key in ("scripts", "agent_scripts"):
if key not in frontmatter and key in core_frontmatter:
frontmatter[key] = core_frontmatter[key]
frontmatter.pop("strategy", None)
if extension_id:
body = self.rewrite_extension_paths(body, extension_id, source_root)
frontmatter = self._adjust_script_paths(
frontmatter, extension_id=extension_id
)
for key in agent_config.get("strip_frontmatter_keys", []):
frontmatter.pop(key, None)
if agent_config.get("inject_name") and not frontmatter.get("name"):
# Use custom name formatter if provided (e.g., Forge's hyphenated format)
format_name = agent_config.get("format_name")
frontmatter["name"] = format_name(cmd_name) if format_name else cmd_name
if is_cline_ext:
frontmatter = self._hyphenate_frontmatter_refs(frontmatter)
body = self._hyphenate_body_refs(body)
body = self._convert_argument_placeholder(
body, "$ARGUMENTS", agent_config["args"]
)
# Resolve __SPECKIT_COMMAND_*__ tokens using the agent's invoke separator.
# For dual-layout agents (e.g. Bob) the separator differs between the
# skills and command layouts, so a single static AGENT_CONFIGS value is
# insufficient. ``_sep`` (resolved above) is derived from the *output
# layout* this registrar writes — a "/SKILL.md" scaffold uses the skills
# separator, any command-layout file uses the command separator — not
# the project's persisted ai_skills state. Single-layout agents fall back
# to the static AGENT_CONFIGS value unchanged (invoke_separator_for_mode
# default).
# Deferred import of IntegrationBase avoids a circular import at module load
# (base.py itself imports CommandRegistrar lazily).
from specify_cli.integrations.base import IntegrationBase # noqa: PLC0415
body = IntegrationBase.resolve_command_refs(body, _sep, _prefix)
output_name = self._compute_output_name(agent_name, cmd_name, agent_config)
if agent_config["extension"] == "/SKILL.md":
output = self.render_skill_command(
agent_name,
output_name,
frontmatter,
body,
source_id,
cmd_file,
project_root,
extension_id=extension_id,
)
elif agent_config["format"] == "markdown":
body = self.resolve_skill_placeholders(
agent_name, frontmatter, body, project_root, extension_id=extension_id
)
body = self._convert_argument_placeholder(
body, "$ARGUMENTS", agent_config["args"]
)
output = self.render_markdown_command(
frontmatter, body, source_id, context_note
)
elif agent_config["format"] == "toml":
body = self.resolve_skill_placeholders(
agent_name, frontmatter, body, project_root, extension_id=extension_id
)
body = self._convert_argument_placeholder(
body, "$ARGUMENTS", agent_config["args"]
)
output = self.render_toml_command(frontmatter, body, source_id)
elif agent_config["format"] == "yaml":
body = self.resolve_skill_placeholders(
agent_name, frontmatter, body, project_root
)
body = self._convert_argument_placeholder(
body, "$ARGUMENTS", agent_config["args"]
)
output = self.render_yaml_command(
frontmatter, body, source_id, cmd_name
)
else:
raise ValueError(f"Unsupported format: {agent_config['format']}")
# -- Post-process for non-skills agents -----------------------
_integration = None
if agent_config["extension"] != "/SKILL.md":
from specify_cli.integrations import ( # noqa: PLC0415
get_integration,
)
_integration = get_integration(agent_name)
if _integration is not None:
output = _integration.post_process_command_content(output)
dest_file = commands_dir / f"{output_name}{agent_config['extension']}"
self._ensure_inside(dest_file, commands_dir)
dest_file.parent.mkdir(parents=True, exist_ok=True)
self._write_registered_output(
dest_file,
output,
source_dir,
agent_name,
output_name,
agent_config["extension"],
link_outputs,
agent_config,
)
if agent_name == "copilot":
self.write_copilot_prompt(project_root, cmd_name)
registered.append(cmd_name)
for alias in aliases:
alias_output_name = self._compute_output_name(
agent_name, alias, agent_config
)
# For agents with inject_name, render with alias-specific frontmatter
if agent_config.get("inject_name"):
alias_frontmatter = deepcopy(frontmatter)
# Use custom name formatter if provided (e.g., Forge's hyphenated format)
format_name = agent_config.get("format_name")
alias_frontmatter["name"] = (
format_name(alias) if format_name else alias
)
if agent_config["extension"] == "/SKILL.md":
alias_output = self.render_skill_command(
agent_name,
alias_output_name,
alias_frontmatter,
body,
source_id,
cmd_file,
project_root,
extension_id=extension_id,
)
elif agent_config["format"] == "markdown":
alias_output = self.render_markdown_command(
alias_frontmatter, body, source_id, context_note
)
elif agent_config["format"] == "toml":
alias_output = self.render_toml_command(
alias_frontmatter, body, source_id
)
elif agent_config["format"] == "yaml":
alias_output = self.render_yaml_command(
alias_frontmatter, body, source_id, alias
)
else:
raise ValueError(
f"Unsupported format: {agent_config['format']}"
)
if agent_config["extension"] != "/SKILL.md" and _integration is not None:
alias_output = _integration.post_process_command_content(alias_output)
else:
# For other agents, reuse the primary output
alias_output = output
if agent_config["extension"] == "/SKILL.md":
alias_output = self.render_skill_command(
agent_name,
alias_output_name,
frontmatter,
body,
source_id,
cmd_file,
project_root,
extension_id=extension_id,
)
alias_file = (
commands_dir / f"{alias_output_name}{agent_config['extension']}"
)
self._ensure_inside(alias_file, commands_dir)
alias_file.parent.mkdir(parents=True, exist_ok=True)
self._write_registered_output(
alias_file,
alias_output,
source_dir,
agent_name,
alias_output_name,
agent_config["extension"],
link_outputs,
agent_config,
)
if agent_name == "copilot":
self.write_copilot_prompt(project_root, alias)
registered.append(alias)
return registered
@staticmethod
def _write_registered_output(
dest_file: Path,
content: str,
source_dir: Path,
agent_name: str,
output_name: str,
extension: str,
link_outputs: bool,
agent_config: dict[str, Any] | None = None,
) -> None:
"""Write a rendered agent artifact, optionally as a dev-mode symlink."""
if not link_outputs or (agent_config or {}).get("dev_no_symlink"):
if dest_file.is_symlink():
dest_file.unlink()
dest_file.write_text(content, encoding="utf-8")
return
rel_output = Path(f"{output_name}{extension}")
cache_root = source_dir / ".specify-dev" / "agent-commands" / agent_name
cache_file = cache_root / rel_output
CommandRegistrar._ensure_inside(cache_file, cache_root)
try:
cache_file.parent.mkdir(parents=True, exist_ok=True)
cache_file.write_text(content, encoding="utf-8")
if dest_file.exists() or dest_file.is_symlink():
dest_file.unlink()
target = os.path.relpath(cache_file, dest_file.parent)
os.symlink(target, dest_file)
except (OSError, ValueError):
# Windows often requires Developer Mode or admin privileges for
# symlinks, and relpath can fail across drives. Keep dev installs
# functional by falling back to a copy.
if dest_file.is_symlink():
dest_file.unlink()
dest_file.write_text(content, encoding="utf-8")
@staticmethod
def write_copilot_prompt(project_root: Path, cmd_name: str) -> None:
"""Generate a companion .prompt.md file for a Copilot agent command.
Args:
project_root: Path to project root
cmd_name: Command name (e.g. 'speckit.my-ext.example')
"""
name_reason = relative_extension_path_violation(cmd_name)
if name_reason:
raise ValueError(
f"Invalid Copilot prompt name {cmd_name!r}: {name_reason}"
)
prompts_dir = project_root / ".github" / "prompts"
prompts_dir.mkdir(parents=True, exist_ok=True)
prompt_file = prompts_dir / f"{cmd_name}.prompt.md"
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