{"version":3,"file":"skills.d.ts","sourceRoot":"","sources":["../../src/core/skills.ts"],"names":[],"mappings":"AAOA,OAAO,KAAK,EAAE,kBAAkB,EAAE,MAAM,kBAAkB,CAAC;AAC3D,OAAO,EAA6B,KAAK,UAAU,EAAE,MAAM,kBAAkB,CAAC;AA2D9E,MAAM,WAAW,gBAAgB;IAChC,IAAI,CAAC,EAAE,MAAM,CAAC;IACd,WAAW,CAAC,EAAE,MAAM,CAAC;IACrB,0BAA0B,CAAC,EAAE,OAAO,CAAC;IACrC,CAAC,GAAG,EAAE,MAAM,GAAG,OAAO,CAAC;CACvB;AAED,MAAM,WAAW,KAAK;IACrB,IAAI,EAAE,MAAM,CAAC;IACb,WAAW,EAAE,MAAM,CAAC;IACpB,QAAQ,EAAE,MAAM,CAAC;IACjB,OAAO,EAAE,MAAM,CAAC;IAChB,UAAU,EAAE,UAAU,CAAC;IACvB,sBAAsB,EAAE,OAAO,CAAC;CAChC;AAED,MAAM,WAAW,gBAAgB;IAChC,MAAM,EAAE,KAAK,EAAE,CAAC;IAChB,WAAW,EAAE,kBAAkB,EAAE,CAAC;CAClC;AA+CD,MAAM,WAAW,wBAAwB;IACxC,mCAAmC;IACnC,GAAG,EAAE,MAAM,CAAC;IACZ,yCAAyC;IACzC,MAAM,EAAE,MAAM,CAAC;CACf;AA0BD;;;;;;;GAOG;AACH,wBAAgB,iBAAiB,CAAC,OAAO,EAAE,wBAAwB,GAAG,gBAAgB,CAGrF;AA4JD;;;;;;;GAOG;AACH,wBAAgB,qBAAqB,CAAC,MAAM,EAAE,KAAK,EAAE,GAAG,MAAM,CA0B7D;AAWD,MAAM,WAAW,iBAAiB;IACjC,kDAAkD;IAClD,GAAG,EAAE,MAAM,CAAC;IACZ,gDAAgD;IAChD,QAAQ,EAAE,MAAM,CAAC;IACjB,kDAAkD;IAClD,UAAU,EAAE,MAAM,EAAE,CAAC;IACrB,0CAA0C;IAC1C,eAAe,EAAE,OAAO,CAAC;CACzB;AAeD;;;GAGG;AACH,wBAAgB,UAAU,CAAC,OAAO,EAAE,iBAAiB,GAAG,gBAAgB,CAmGvE","sourcesContent":["import { existsSync, readdirSync, readFileSync, statSync } from \"fs\";\nimport ignore from \"ignore\";\nimport { homedir } from \"os\";\nimport { basename, dirname, isAbsolute, join, relative, resolve, sep } from \"path\";\nimport { CONFIG_DIR_NAME, getAgentDir } from \"../config.js\";\nimport { parseFrontmatter } from \"../utils/frontmatter.js\";\nimport { canonicalizePath } from \"../utils/paths.js\";\nimport type { ResourceDiagnostic } from \"./diagnostics.js\";\nimport { createSyntheticSourceInfo, type SourceInfo } from \"./source-info.js\";\n\n/** Max name length per spec */\nconst MAX_NAME_LENGTH = 64;\n\n/** Max description length per spec */\nconst MAX_DESCRIPTION_LENGTH = 1024;\n\nconst IGNORE_FILE_NAMES = [\".gitignore\", \".ignore\", \".fdignore\"];\n\ntype IgnoreMatcher = ReturnType<typeof ignore>;\n\nfunction toPosixPath(p: string): string {\n\treturn p.split(sep).join(\"/\");\n}\n\nfunction prefixIgnorePattern(line: string, prefix: string): string | null {\n\tconst trimmed = line.trim();\n\tif (!trimmed) return null;\n\tif (trimmed.startsWith(\"#\") && !trimmed.startsWith(\"\\\\#\")) return null;\n\n\tlet pattern = line;\n\tlet negated = false;\n\n\tif (pattern.startsWith(\"!\")) {\n\t\tnegated = true;\n\t\tpattern = pattern.slice(1);\n\t} else if (pattern.startsWith(\"\\\\!\")) {\n\t\tpattern = pattern.slice(1);\n\t}\n\n\tif (pattern.startsWith(\"/\")) {\n\t\tpattern = pattern.slice(1);\n\t}\n\n\tconst prefixed = prefix ? `${prefix}${pattern}` : pattern;\n\treturn negated ? `!${prefixed}` : prefixed;\n}\n\nfunction addIgnoreRules(ig: IgnoreMatcher, dir: string, rootDir: string): void {\n\tconst relativeDir = relative(rootDir, dir);\n\tconst prefix = relativeDir ? `${toPosixPath(relativeDir)}/` : \"\";\n\n\tfor (const filename of IGNORE_FILE_NAMES) {\n\t\tconst ignorePath = join(dir, filename);\n\t\tif (!existsSync(ignorePath)) continue;\n\t\ttry {\n\t\t\tconst content = readFileSync(ignorePath, \"utf-8\");\n\t\t\tconst patterns = content\n\t\t\t\t.split(/\\r?\\n/)\n\t\t\t\t.map((line) => prefixIgnorePattern(line, prefix))\n\t\t\t\t.filter((line): line is string => Boolean(line));\n\t\t\tif (patterns.length > 0) {\n\t\t\t\tig.add(patterns);\n\t\t\t}\n\t\t} catch {}\n\t}\n}\n\nexport interface SkillFrontmatter {\n\tname?: string;\n\tdescription?: string;\n\t\"disable-model-invocation\"?: boolean;\n\t[key: string]: unknown;\n}\n\nexport interface Skill {\n\tname: string;\n\tdescription: string;\n\tfilePath: string;\n\tbaseDir: string;\n\tsourceInfo: SourceInfo;\n\tdisableModelInvocation: boolean;\n}\n\nexport interface LoadSkillsResult {\n\tskills: Skill[];\n\tdiagnostics: ResourceDiagnostic[];\n}\n\n/**\n * Validate skill name per Agent Skills spec.\n * Returns array of validation error messages (empty if valid).\n */\nfunction validateName(name: string, parentDirName: string): string[] {\n\tconst errors: string[] = [];\n\n\tif (name !== parentDirName) {\n\t\terrors.push(`name \"${name}\" does not match parent directory \"${parentDirName}\"`);\n\t}\n\n\tif (name.length > MAX_NAME_LENGTH) {\n\t\terrors.push(`name exceeds ${MAX_NAME_LENGTH} characters (${name.length})`);\n\t}\n\n\tif (!/^[a-z0-9-]+$/.test(name)) {\n\t\terrors.push(`name contains invalid characters (must be lowercase a-z, 0-9, hyphens only)`);\n\t}\n\n\tif (name.startsWith(\"-\") || name.endsWith(\"-\")) {\n\t\terrors.push(`name must not start or end with a hyphen`);\n\t}\n\n\tif (name.includes(\"--\")) {\n\t\terrors.push(`name must not contain consecutive hyphens`);\n\t}\n\n\treturn errors;\n}\n\n/**\n * Validate description per Agent Skills spec.\n */\nfunction validateDescription(description: string | undefined): string[] {\n\tconst errors: string[] = [];\n\n\tif (!description || description.trim() === \"\") {\n\t\terrors.push(\"description is required\");\n\t} else if (description.length > MAX_DESCRIPTION_LENGTH) {\n\t\terrors.push(`description exceeds ${MAX_DESCRIPTION_LENGTH} characters (${description.length})`);\n\t}\n\n\treturn errors;\n}\n\nexport interface LoadSkillsFromDirOptions {\n\t/** Directory to scan for skills */\n\tdir: string;\n\t/** Source identifier for these skills */\n\tsource: string;\n}\n\nfunction createSkillSourceInfo(filePath: string, baseDir: string, source: string): SourceInfo {\n\tswitch (source) {\n\t\tcase \"user\":\n\t\t\treturn createSyntheticSourceInfo(filePath, {\n\t\t\t\tsource: \"local\",\n\t\t\t\tscope: \"user\",\n\t\t\t\tbaseDir,\n\t\t\t});\n\t\tcase \"project\":\n\t\t\treturn createSyntheticSourceInfo(filePath, {\n\t\t\t\tsource: \"local\",\n\t\t\t\tscope: \"project\",\n\t\t\t\tbaseDir,\n\t\t\t});\n\t\tcase \"path\":\n\t\t\treturn createSyntheticSourceInfo(filePath, {\n\t\t\t\tsource: \"local\",\n\t\t\t\tbaseDir,\n\t\t\t});\n\t\tdefault:\n\t\t\treturn createSyntheticSourceInfo(filePath, { source, baseDir });\n\t}\n}\n\n/**\n * Load skills from a directory.\n *\n * Discovery rules:\n * - if a directory contains SKILL.md, treat it as a skill root and do not recurse further\n * - otherwise, load direct .md children in the root\n * - recurse into subdirectories to find SKILL.md\n */\nexport function loadSkillsFromDir(options: LoadSkillsFromDirOptions): LoadSkillsResult {\n\tconst { dir, source } = options;\n\treturn loadSkillsFromDirInternal(dir, source, true);\n}\n\nfunction loadSkillsFromDirInternal(\n\tdir: string,\n\tsource: string,\n\tincludeRootFiles: boolean,\n\tignoreMatcher?: IgnoreMatcher,\n\trootDir?: string,\n): LoadSkillsResult {\n\tconst skills: Skill[] = [];\n\tconst diagnostics: ResourceDiagnostic[] = [];\n\n\tif (!existsSync(dir)) {\n\t\treturn { skills, diagnostics };\n\t}\n\n\tconst root = rootDir ?? dir;\n\tconst ig = ignoreMatcher ?? ignore();\n\taddIgnoreRules(ig, dir, root);\n\n\ttry {\n\t\tconst entries = readdirSync(dir, { withFileTypes: true });\n\n\t\tfor (const entry of entries) {\n\t\t\tif (entry.name !== \"SKILL.md\") {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tconst fullPath = join(dir, entry.name);\n\n\t\t\tlet isFile = entry.isFile();\n\t\t\tif (entry.isSymbolicLink()) {\n\t\t\t\ttry {\n\t\t\t\t\tisFile = statSync(fullPath).isFile();\n\t\t\t\t} catch {\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tconst relPath = toPosixPath(relative(root, fullPath));\n\t\t\tif (!isFile || ig.ignores(relPath)) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tconst result = loadSkillFromFile(fullPath, source);\n\t\t\tif (result.skill) {\n\t\t\t\tskills.push(result.skill);\n\t\t\t}\n\t\t\tdiagnostics.push(...result.diagnostics);\n\t\t\treturn { skills, diagnostics };\n\t\t}\n\n\t\tfor (const entry of entries) {\n\t\t\tif (entry.name.startsWith(\".\")) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\t// Skip node_modules to avoid scanning dependencies\n\t\t\tif (entry.name === \"node_modules\") {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tconst fullPath = join(dir, entry.name);\n\n\t\t\t// For symlinks, check if they point to a directory and follow them\n\t\t\tlet isDirectory = entry.isDirectory();\n\t\t\tlet isFile = entry.isFile();\n\t\t\tif (entry.isSymbolicLink()) {\n\t\t\t\ttry {\n\t\t\t\t\tconst stats = statSync(fullPath);\n\t\t\t\t\tisDirectory = stats.isDirectory();\n\t\t\t\t\tisFile = stats.isFile();\n\t\t\t\t} catch {\n\t\t\t\t\t// Broken symlink, skip it\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tconst relPath = toPosixPath(relative(root, fullPath));\n\t\t\tconst ignorePath = isDirectory ? `${relPath}/` : relPath;\n\t\t\tif (ig.ignores(ignorePath)) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tif (isDirectory) {\n\t\t\t\tconst subResult = loadSkillsFromDirInternal(fullPath, source, false, ig, root);\n\t\t\t\tskills.push(...subResult.skills);\n\t\t\t\tdiagnostics.push(...subResult.diagnostics);\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tif (!isFile || !includeRootFiles || !entry.name.endsWith(\".md\")) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tconst result = loadSkillFromFile(fullPath, source);\n\t\t\tif (result.skill) {\n\t\t\t\tskills.push(result.skill);\n\t\t\t}\n\t\t\tdiagnostics.push(...result.diagnostics);\n\t\t}\n\t} catch {}\n\n\treturn { skills, diagnostics };\n}\n\nfunction loadSkillFromFile(\n\tfilePath: string,\n\tsource: string,\n): { skill: Skill | null; diagnostics: ResourceDiagnostic[] } {\n\tconst diagnostics: ResourceDiagnostic[] = [];\n\n\ttry {\n\t\tconst rawContent = readFileSync(filePath, \"utf-8\");\n\t\tconst { frontmatter } = parseFrontmatter<SkillFrontmatter>(rawContent);\n\t\tconst skillDir = dirname(filePath);\n\t\tconst parentDirName = basename(skillDir);\n\n\t\t// Validate description\n\t\tconst descErrors = validateDescription(frontmatter.description);\n\t\tfor (const error of descErrors) {\n\t\t\tdiagnostics.push({ type: \"warning\", message: error, path: filePath });\n\t\t}\n\n\t\t// Use name from frontmatter, or fall back to parent directory name\n\t\tconst name = frontmatter.name || parentDirName;\n\n\t\t// Validate name\n\t\tconst nameErrors = validateName(name, parentDirName);\n\t\tfor (const error of nameErrors) {\n\t\t\tdiagnostics.push({ type: \"warning\", message: error, path: filePath });\n\t\t}\n\n\t\t// Still load the skill even with warnings (unless description is completely missing)\n\t\tif (!frontmatter.description || frontmatter.description.trim() === \"\") {\n\t\t\treturn { skill: null, diagnostics };\n\t\t}\n\n\t\treturn {\n\t\t\tskill: {\n\t\t\t\tname,\n\t\t\t\tdescription: frontmatter.description,\n\t\t\t\tfilePath,\n\t\t\t\tbaseDir: skillDir,\n\t\t\t\tsourceInfo: createSkillSourceInfo(filePath, skillDir, source),\n\t\t\t\tdisableModelInvocation: frontmatter[\"disable-model-invocation\"] === true,\n\t\t\t},\n\t\t\tdiagnostics,\n\t\t};\n\t} catch (error) {\n\t\tconst message = error instanceof Error ? error.message : \"failed to parse skill file\";\n\t\tdiagnostics.push({ type: \"warning\", message, path: filePath });\n\t\treturn { skill: null, diagnostics };\n\t}\n}\n\n/**\n * Format skills for inclusion in a system prompt.\n * Uses XML format per Agent Skills standard.\n * See: https://agentskills.io/integrate-skills\n *\n * Skills with disableModelInvocation=true are excluded from the prompt\n * (they can only be invoked explicitly via /skill:name commands).\n */\nexport function formatSkillsForPrompt(skills: Skill[]): string {\n\tconst visibleSkills = skills.filter((s) => !s.disableModelInvocation);\n\n\tif (visibleSkills.length === 0) {\n\t\treturn \"\";\n\t}\n\n\tconst lines = [\n\t\t\"\\n\\nThe following skills provide specialized instructions for specific tasks.\",\n\t\t\"Use the read tool to load a skill's file when the task matches its description.\",\n\t\t\"When a skill file references a relative path, resolve it against the skill directory (parent of SKILL.md / dirname of the path) and use that absolute path in tool commands.\",\n\t\t\"\",\n\t\t\"<available_skills>\",\n\t];\n\n\tfor (const skill of visibleSkills) {\n\t\tlines.push(\"  <skill>\");\n\t\tlines.push(`    <name>${escapeXml(skill.name)}</name>`);\n\t\tlines.push(`    <description>${escapeXml(skill.description)}</description>`);\n\t\tlines.push(`    <location>${escapeXml(skill.filePath)}</location>`);\n\t\tlines.push(\"  </skill>\");\n\t}\n\n\tlines.push(\"</available_skills>\");\n\n\treturn lines.join(\"\\n\");\n}\n\nfunction escapeXml(str: string): string {\n\treturn str\n\t\t.replace(/&/g, \"&amp;\")\n\t\t.replace(/</g, \"&lt;\")\n\t\t.replace(/>/g, \"&gt;\")\n\t\t.replace(/\"/g, \"&quot;\")\n\t\t.replace(/'/g, \"&apos;\");\n}\n\nexport interface LoadSkillsOptions {\n\t/** Working directory for project-local skills. */\n\tcwd: string;\n\t/** Agent config directory for global skills. */\n\tagentDir: string;\n\t/** Explicit skill paths (files or directories) */\n\tskillPaths: string[];\n\t/** Include default skills directories. */\n\tincludeDefaults: boolean;\n}\n\nfunction normalizePath(input: string): string {\n\tconst trimmed = input.trim();\n\tif (trimmed === \"~\") return homedir();\n\tif (trimmed.startsWith(\"~/\")) return join(homedir(), trimmed.slice(2));\n\tif (trimmed.startsWith(\"~\")) return join(homedir(), trimmed.slice(1));\n\treturn trimmed;\n}\n\nfunction resolveSkillPath(p: string, cwd: string): string {\n\tconst normalized = normalizePath(p);\n\treturn isAbsolute(normalized) ? normalized : resolve(cwd, normalized);\n}\n\n/**\n * Load skills from all configured locations.\n * Returns skills and any validation diagnostics.\n */\nexport function loadSkills(options: LoadSkillsOptions): LoadSkillsResult {\n\tconst { cwd, agentDir, skillPaths, includeDefaults } = options;\n\n\t// Resolve agentDir - if not provided, use default from config\n\tconst resolvedAgentDir = agentDir ?? getAgentDir();\n\n\tconst skillMap = new Map<string, Skill>();\n\tconst realPathSet = new Set<string>();\n\tconst allDiagnostics: ResourceDiagnostic[] = [];\n\tconst collisionDiagnostics: ResourceDiagnostic[] = [];\n\n\tfunction addSkills(result: LoadSkillsResult) {\n\t\tallDiagnostics.push(...result.diagnostics);\n\t\tfor (const skill of result.skills) {\n\t\t\t// Resolve symlinks to detect duplicate files\n\t\t\tconst realPath = canonicalizePath(skill.filePath);\n\n\t\t\t// Skip silently if we've already loaded this exact file (via symlink)\n\t\t\tif (realPathSet.has(realPath)) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tconst existing = skillMap.get(skill.name);\n\t\t\tif (existing) {\n\t\t\t\tcollisionDiagnostics.push({\n\t\t\t\t\ttype: \"collision\",\n\t\t\t\t\tmessage: `name \"${skill.name}\" collision`,\n\t\t\t\t\tpath: skill.filePath,\n\t\t\t\t\tcollision: {\n\t\t\t\t\t\tresourceType: \"skill\",\n\t\t\t\t\t\tname: skill.name,\n\t\t\t\t\t\twinnerPath: existing.filePath,\n\t\t\t\t\t\tloserPath: skill.filePath,\n\t\t\t\t\t},\n\t\t\t\t});\n\t\t\t} else {\n\t\t\t\tskillMap.set(skill.name, skill);\n\t\t\t\trealPathSet.add(realPath);\n\t\t\t}\n\t\t}\n\t}\n\n\tif (includeDefaults) {\n\t\taddSkills(loadSkillsFromDirInternal(join(resolvedAgentDir, \"skills\"), \"user\", true));\n\t\taddSkills(loadSkillsFromDirInternal(resolve(cwd, CONFIG_DIR_NAME, \"skills\"), \"project\", true));\n\t}\n\n\tconst userSkillsDir = join(resolvedAgentDir, \"skills\");\n\tconst projectSkillsDir = resolve(cwd, CONFIG_DIR_NAME, \"skills\");\n\n\tconst isUnderPath = (target: string, root: string): boolean => {\n\t\tconst normalizedRoot = resolve(root);\n\t\tif (target === normalizedRoot) {\n\t\t\treturn true;\n\t\t}\n\t\tconst prefix = normalizedRoot.endsWith(sep) ? normalizedRoot : `${normalizedRoot}${sep}`;\n\t\treturn target.startsWith(prefix);\n\t};\n\n\tconst getSource = (resolvedPath: string): \"user\" | \"project\" | \"path\" => {\n\t\tif (!includeDefaults) {\n\t\t\tif (isUnderPath(resolvedPath, userSkillsDir)) return \"user\";\n\t\t\tif (isUnderPath(resolvedPath, projectSkillsDir)) return \"project\";\n\t\t}\n\t\treturn \"path\";\n\t};\n\n\tfor (const rawPath of skillPaths) {\n\t\tconst resolvedPath = resolveSkillPath(rawPath, cwd);\n\t\tif (!existsSync(resolvedPath)) {\n\t\t\tallDiagnostics.push({ type: \"warning\", message: \"skill path does not exist\", path: resolvedPath });\n\t\t\tcontinue;\n\t\t}\n\n\t\ttry {\n\t\t\tconst stats = statSync(resolvedPath);\n\t\t\tconst source = getSource(resolvedPath);\n\t\t\tif (stats.isDirectory()) {\n\t\t\t\taddSkills(loadSkillsFromDirInternal(resolvedPath, source, true));\n\t\t\t} else if (stats.isFile() && resolvedPath.endsWith(\".md\")) {\n\t\t\t\tconst result = loadSkillFromFile(resolvedPath, source);\n\t\t\t\tif (result.skill) {\n\t\t\t\t\taddSkills({ skills: [result.skill], diagnostics: result.diagnostics });\n\t\t\t\t} else {\n\t\t\t\t\tallDiagnostics.push(...result.diagnostics);\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tallDiagnostics.push({ type: \"warning\", message: \"skill path is not a markdown file\", path: resolvedPath });\n\t\t\t}\n\t\t} catch (error) {\n\t\t\tconst message = error instanceof Error ? error.message : \"failed to read skill path\";\n\t\t\tallDiagnostics.push({ type: \"warning\", message, path: resolvedPath });\n\t\t}\n\t}\n\n\treturn {\n\t\tskills: Array.from(skillMap.values()),\n\t\tdiagnostics: [...allDiagnostics, ...collisionDiagnostics],\n\t};\n}\n"]}