mirror of
https://github.com/NousResearch/hermes-agent.git
synced 2026-04-25 00:51:20 +00:00
4b16341975
Rewrite all import statements, patch() targets, sys.modules keys, importlib.import_module() strings, and subprocess -m references to use hermes_agent.* paths. Strip sys.path.insert hacks from production code (rely on editable install). Update COMPONENT_PREFIXES for logger filtering. Fix 3 hardcoded getLogger() calls to use __name__. Update transport and tool registry discovery paths. Update plugin module path strings. Add legacy process-name patterns for gateway PID detection. Add main() to skills_sync for console_script entry point. Fix _get_bundled_dir() path traversal after move. Part of #14182, #14183
508 lines
18 KiB
Python
508 lines
18 KiB
Python
"""Shared slash command helpers for skills and built-in prompt-style modes.
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Shared between CLI (cli.py) and gateway (gateway/run.py) so both surfaces
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can invoke skills via /skill-name commands and prompt-only built-ins like
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/plan.
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"""
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import json
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import logging
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import re
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import subprocess
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from datetime import datetime
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from pathlib import Path
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from typing import Any, Dict, Optional
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from hermes_agent.constants import display_hermes_home
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logger = logging.getLogger(__name__)
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_skill_commands: Dict[str, Dict[str, Any]] = {}
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_PLAN_SLUG_RE = re.compile(r"[^a-z0-9]+")
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# Patterns for sanitizing skill names into clean hyphen-separated slugs.
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_SKILL_INVALID_CHARS = re.compile(r"[^a-z0-9-]")
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_SKILL_MULTI_HYPHEN = re.compile(r"-{2,}")
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# Matches ${HERMES_SKILL_DIR} / ${HERMES_SESSION_ID} tokens in SKILL.md.
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# Tokens that don't resolve (e.g. ${HERMES_SESSION_ID} with no session) are
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# left as-is so the user can debug them.
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_SKILL_TEMPLATE_RE = re.compile(r"\$\{(HERMES_SKILL_DIR|HERMES_SESSION_ID)\}")
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# Matches inline shell snippets like: !`date +%Y-%m-%d`
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# Non-greedy, single-line only — no newlines inside the backticks.
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_INLINE_SHELL_RE = re.compile(r"!`([^`\n]+)`")
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# Cap inline-shell output so a runaway command can't blow out the context.
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_INLINE_SHELL_MAX_OUTPUT = 4000
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def _load_skills_config() -> dict:
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"""Load the ``skills`` section of config.yaml (best-effort)."""
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try:
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from hermes_agent.cli.config import load_config
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cfg = load_config() or {}
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skills_cfg = cfg.get("skills")
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if isinstance(skills_cfg, dict):
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return skills_cfg
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except Exception:
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logger.debug("Could not read skills config", exc_info=True)
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return {}
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def _substitute_template_vars(
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content: str,
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skill_dir: Path | None,
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session_id: str | None,
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) -> str:
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"""Replace ${HERMES_SKILL_DIR} / ${HERMES_SESSION_ID} in skill content.
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Only substitutes tokens for which a concrete value is available —
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unresolved tokens are left in place so the author can spot them.
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"""
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if not content:
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return content
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skill_dir_str = str(skill_dir) if skill_dir else None
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def _replace(match: re.Match) -> str:
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token = match.group(1)
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if token == "HERMES_SKILL_DIR" and skill_dir_str:
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return skill_dir_str
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if token == "HERMES_SESSION_ID" and session_id:
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return str(session_id)
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return match.group(0)
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return _SKILL_TEMPLATE_RE.sub(_replace, content)
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def _run_inline_shell(command: str, cwd: Path | None, timeout: int) -> str:
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"""Execute a single inline-shell snippet and return its stdout (trimmed).
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Failures return a short ``[inline-shell error: ...]`` marker instead of
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raising, so one bad snippet can't wreck the whole skill message.
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"""
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try:
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completed = subprocess.run(
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["bash", "-c", command],
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cwd=str(cwd) if cwd else None,
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capture_output=True,
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text=True,
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timeout=max(1, int(timeout)),
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check=False,
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)
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except subprocess.TimeoutExpired:
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return f"[inline-shell timeout after {timeout}s: {command}]"
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except FileNotFoundError:
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return f"[inline-shell error: bash not found]"
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except Exception as exc:
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return f"[inline-shell error: {exc}]"
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output = (completed.stdout or "").rstrip("\n")
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if not output and completed.stderr:
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output = completed.stderr.rstrip("\n")
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if len(output) > _INLINE_SHELL_MAX_OUTPUT:
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output = output[:_INLINE_SHELL_MAX_OUTPUT] + "…[truncated]"
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return output
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def _expand_inline_shell(
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content: str,
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skill_dir: Path | None,
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timeout: int,
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) -> str:
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"""Replace every !`cmd` snippet in ``content`` with its stdout.
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Runs each snippet with the skill directory as CWD so relative paths in
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the snippet work the way the author expects.
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"""
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if "!`" not in content:
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return content
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def _replace(match: re.Match) -> str:
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cmd = match.group(1).strip()
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if not cmd:
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return ""
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return _run_inline_shell(cmd, skill_dir, timeout)
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return _INLINE_SHELL_RE.sub(_replace, content)
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def build_plan_path(
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user_instruction: str = "",
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*,
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now: datetime | None = None,
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) -> Path:
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"""Return the default workspace-relative markdown path for a /plan invocation.
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Relative paths are intentional: file tools are task/backend-aware and resolve
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them against the active working directory for local, docker, ssh, modal,
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daytona, and similar terminal backends. That keeps the plan with the active
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workspace instead of the Hermes host's global home directory.
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"""
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slug_source = (user_instruction or "").strip().splitlines()[0] if user_instruction else ""
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slug = _PLAN_SLUG_RE.sub("-", slug_source.lower()).strip("-")
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if slug:
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slug = "-".join(part for part in slug.split("-")[:8] if part)[:48].strip("-")
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slug = slug or "conversation-plan"
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timestamp = (now or datetime.now()).strftime("%Y-%m-%d_%H%M%S")
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return Path(".hermes") / "plans" / f"{timestamp}-{slug}.md"
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def _load_skill_payload(skill_identifier: str, task_id: str | None = None) -> tuple[dict[str, Any], Path | None, str] | None:
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"""Load a skill by name/path and return (loaded_payload, skill_dir, display_name)."""
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raw_identifier = (skill_identifier or "").strip()
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if not raw_identifier:
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return None
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try:
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from hermes_agent.tools.skills.tool import SKILLS_DIR, skill_view
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identifier_path = Path(raw_identifier).expanduser()
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if identifier_path.is_absolute():
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try:
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normalized = str(identifier_path.resolve().relative_to(SKILLS_DIR.resolve()))
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except Exception:
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normalized = raw_identifier
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else:
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normalized = raw_identifier.lstrip("/")
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loaded_skill = json.loads(skill_view(normalized, task_id=task_id))
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except Exception:
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return None
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if not loaded_skill.get("success"):
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return None
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skill_name = str(loaded_skill.get("name") or normalized)
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skill_path = str(loaded_skill.get("path") or "")
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skill_dir = None
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# Prefer the absolute skill_dir returned by skill_view() — this is
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# correct for both local and external skills. Fall back to the old
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# SKILLS_DIR-relative reconstruction only when skill_dir is absent
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# (e.g. legacy skill_view responses).
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abs_skill_dir = loaded_skill.get("skill_dir")
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if abs_skill_dir:
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skill_dir = Path(abs_skill_dir)
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elif skill_path:
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try:
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skill_dir = SKILLS_DIR / Path(skill_path).parent
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except Exception:
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skill_dir = None
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return loaded_skill, skill_dir, skill_name
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def _inject_skill_config(loaded_skill: dict[str, Any], parts: list[str]) -> None:
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"""Resolve and inject skill-declared config values into the message parts.
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If the loaded skill's frontmatter declares ``metadata.hermes.config``
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entries, their current values (from config.yaml or defaults) are appended
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as a ``[Skill config: ...]`` block so the agent knows the configured values
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without needing to read config.yaml itself.
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"""
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try:
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from hermes_agent.agent.skill_utils import (
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extract_skill_config_vars,
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parse_frontmatter,
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resolve_skill_config_values,
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)
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# The loaded_skill dict contains the raw content which includes frontmatter
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raw_content = str(loaded_skill.get("raw_content") or loaded_skill.get("content") or "")
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if not raw_content:
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return
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frontmatter, _ = parse_frontmatter(raw_content)
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config_vars = extract_skill_config_vars(frontmatter)
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if not config_vars:
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return
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resolved = resolve_skill_config_values(config_vars)
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if not resolved:
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return
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lines = ["", f"[Skill config (from {display_hermes_home()}/config.yaml):"]
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for key, value in resolved.items():
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display_val = str(value) if value else "(not set)"
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lines.append(f" {key} = {display_val}")
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lines.append("]")
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parts.extend(lines)
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except Exception:
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pass # Non-critical — skill still loads without config injection
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def _build_skill_message(
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loaded_skill: dict[str, Any],
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skill_dir: Path | None,
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activation_note: str,
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user_instruction: str = "",
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runtime_note: str = "",
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session_id: str | None = None,
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) -> str:
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"""Format a loaded skill into a user/system message payload."""
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from hermes_agent.tools.skills.tool import SKILLS_DIR
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content = str(loaded_skill.get("content") or "")
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# ── Template substitution and inline-shell expansion ──
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# Done before anything else so downstream blocks (setup notes,
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# supporting-file hints) see the expanded content.
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skills_cfg = _load_skills_config()
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if skills_cfg.get("template_vars", True):
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content = _substitute_template_vars(content, skill_dir, session_id)
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if skills_cfg.get("inline_shell", False):
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timeout = int(skills_cfg.get("inline_shell_timeout", 10) or 10)
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content = _expand_inline_shell(content, skill_dir, timeout)
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parts = [activation_note, "", content.strip()]
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# ── Inject the absolute skill directory so the agent can reference
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# bundled scripts without an extra skill_view() round-trip. ──
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if skill_dir:
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parts.append("")
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parts.append(f"[Skill directory: {skill_dir}]")
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parts.append(
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"Resolve any relative paths in this skill (e.g. `scripts/foo.js`, "
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"`templates/config.yaml`) against that directory, then run them "
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"with the terminal tool using the absolute path."
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)
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# ── Inject resolved skill config values ──
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_inject_skill_config(loaded_skill, parts)
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if loaded_skill.get("setup_skipped"):
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parts.extend(
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[
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"",
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"[Skill setup note: Required environment setup was skipped. Continue loading the skill and explain any reduced functionality if it matters.]",
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]
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)
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elif loaded_skill.get("gateway_setup_hint"):
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parts.extend(
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[
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"",
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f"[Skill setup note: {loaded_skill['gateway_setup_hint']}]",
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]
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)
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elif loaded_skill.get("setup_needed") and loaded_skill.get("setup_note"):
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parts.extend(
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[
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"",
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f"[Skill setup note: {loaded_skill['setup_note']}]",
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]
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)
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supporting = []
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linked_files = loaded_skill.get("linked_files") or {}
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for entries in linked_files.values():
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if isinstance(entries, list):
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supporting.extend(entries)
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if not supporting and skill_dir:
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for subdir in ("references", "templates", "scripts", "assets"):
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subdir_path = skill_dir / subdir
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if subdir_path.exists():
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for f in sorted(subdir_path.rglob("*")):
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if f.is_file() and not f.is_symlink():
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rel = str(f.relative_to(skill_dir))
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supporting.append(rel)
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if supporting and skill_dir:
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try:
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skill_view_target = str(skill_dir.relative_to(SKILLS_DIR))
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except ValueError:
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# Skill is from an external dir — use the skill name instead
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skill_view_target = skill_dir.name
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parts.append("")
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parts.append("[This skill has supporting files:]")
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for sf in supporting:
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parts.append(f"- {sf} -> {skill_dir / sf}")
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parts.append(
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f'\nLoad any of these with skill_view(name="{skill_view_target}", '
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f'file_path="<path>"), or run scripts directly by absolute path '
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f"(e.g. `node {skill_dir}/scripts/foo.js`)."
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)
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if user_instruction:
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parts.append("")
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parts.append(f"The user has provided the following instruction alongside the skill invocation: {user_instruction}")
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if runtime_note:
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parts.append("")
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parts.append(f"[Runtime note: {runtime_note}]")
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return "\n".join(parts)
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def scan_skill_commands() -> Dict[str, Dict[str, Any]]:
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"""Scan ~/.hermes/skills/ and return a mapping of /command -> skill info.
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Returns:
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Dict mapping "/skill-name" to {name, description, skill_md_path, skill_dir}.
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"""
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global _skill_commands
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_skill_commands = {}
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try:
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from hermes_agent.tools.skills.tool import SKILLS_DIR, _parse_frontmatter, skill_matches_platform, _get_disabled_skill_names
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from hermes_agent.agent.skill_utils import get_external_skills_dirs
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disabled = _get_disabled_skill_names()
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seen_names: set = set()
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# Scan local dir first, then external dirs
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dirs_to_scan = []
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if SKILLS_DIR.exists():
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dirs_to_scan.append(SKILLS_DIR)
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dirs_to_scan.extend(get_external_skills_dirs())
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for scan_dir in dirs_to_scan:
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for skill_md in scan_dir.rglob("SKILL.md"):
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if any(part in ('.git', '.github', '.hub') for part in skill_md.parts):
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continue
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try:
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content = skill_md.read_text(encoding='utf-8')
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frontmatter, body = _parse_frontmatter(content)
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# Skip skills incompatible with the current OS platform
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if not skill_matches_platform(frontmatter):
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continue
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name = frontmatter.get('name', skill_md.parent.name)
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if name in seen_names:
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continue
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# Respect user's disabled skills config
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if name in disabled:
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continue
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description = frontmatter.get('description', '')
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if not description:
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for line in body.strip().split('\n'):
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line = line.strip()
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if line and not line.startswith('#'):
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description = line[:80]
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break
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seen_names.add(name)
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# Normalize to hyphen-separated slug, stripping
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# non-alnum chars (e.g. +, /) to avoid invalid
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# Telegram command names downstream.
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cmd_name = name.lower().replace(' ', '-').replace('_', '-')
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cmd_name = _SKILL_INVALID_CHARS.sub('', cmd_name)
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cmd_name = _SKILL_MULTI_HYPHEN.sub('-', cmd_name).strip('-')
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if not cmd_name:
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continue
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_skill_commands[f"/{cmd_name}"] = {
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"name": name,
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"description": description or f"Invoke the {name} skill",
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"skill_md_path": str(skill_md),
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"skill_dir": str(skill_md.parent),
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}
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except Exception:
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continue
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except Exception:
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pass
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return _skill_commands
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def get_skill_commands() -> Dict[str, Dict[str, Any]]:
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"""Return the current skill commands mapping (scan first if empty)."""
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if not _skill_commands:
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scan_skill_commands()
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return _skill_commands
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def resolve_skill_command_key(command: str) -> Optional[str]:
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"""Resolve a user-typed /command to its canonical skill_cmds key.
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Skills are always stored with hyphens — ``scan_skill_commands`` normalizes
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spaces and underscores to hyphens when building the key. Hyphens and
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underscores are treated interchangeably in user input: this matches
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``_check_unavailable_skill`` and accommodates Telegram bot-command names
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(which disallow hyphens, so ``/claude-code`` is registered as
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``/claude_code`` and comes back in the underscored form).
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Returns the matching ``/slug`` key from ``get_skill_commands()`` or
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``None`` if no match.
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"""
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if not command:
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return None
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cmd_key = f"/{command.replace('_', '-')}"
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return cmd_key if cmd_key in get_skill_commands() else None
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def build_skill_invocation_message(
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cmd_key: str,
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user_instruction: str = "",
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task_id: str | None = None,
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runtime_note: str = "",
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) -> Optional[str]:
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"""Build the user message content for a skill slash command invocation.
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Args:
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cmd_key: The command key including leading slash (e.g., "/gif-search").
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user_instruction: Optional text the user typed after the command.
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Returns:
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The formatted message string, or None if the skill wasn't found.
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"""
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commands = get_skill_commands()
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skill_info = commands.get(cmd_key)
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if not skill_info:
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return None
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loaded = _load_skill_payload(skill_info["skill_dir"], task_id=task_id)
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if not loaded:
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return f"[Failed to load skill: {skill_info['name']}]"
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loaded_skill, skill_dir, skill_name = loaded
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activation_note = (
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f'[SYSTEM: The user has invoked the "{skill_name}" skill, indicating they want '
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"you to follow its instructions. The full skill content is loaded below.]"
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)
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return _build_skill_message(
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loaded_skill,
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skill_dir,
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activation_note,
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user_instruction=user_instruction,
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runtime_note=runtime_note,
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session_id=task_id,
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)
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def build_preloaded_skills_prompt(
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skill_identifiers: list[str],
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task_id: str | None = None,
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) -> tuple[str, list[str], list[str]]:
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"""Load one or more skills for session-wide CLI preloading.
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Returns (prompt_text, loaded_skill_names, missing_identifiers).
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"""
|
|
prompt_parts: list[str] = []
|
|
loaded_names: list[str] = []
|
|
missing: list[str] = []
|
|
|
|
seen: set[str] = set()
|
|
for raw_identifier in skill_identifiers:
|
|
identifier = (raw_identifier or "").strip()
|
|
if not identifier or identifier in seen:
|
|
continue
|
|
seen.add(identifier)
|
|
|
|
loaded = _load_skill_payload(identifier, task_id=task_id)
|
|
if not loaded:
|
|
missing.append(identifier)
|
|
continue
|
|
|
|
loaded_skill, skill_dir, skill_name = loaded
|
|
activation_note = (
|
|
f'[SYSTEM: The user launched this CLI session with the "{skill_name}" skill '
|
|
"preloaded. Treat its instructions as active guidance for the duration of this "
|
|
"session unless the user overrides them.]"
|
|
)
|
|
prompt_parts.append(
|
|
_build_skill_message(
|
|
loaded_skill,
|
|
skill_dir,
|
|
activation_note,
|
|
session_id=task_id,
|
|
)
|
|
)
|
|
loaded_names.append(skill_name)
|
|
|
|
return "\n\n".join(prompt_parts), loaded_names, missing
|