refactor(tools): decompose skill/tools.ts into focused tool creators

src/tools/skill/skill-matcher.ts

@@ -0,0 +1,40 @@
+import { sortByScopePriority } from "./scope-priority"
+import type { CommandInfo } from "../slashcommand/types"
+import type { LoadedSkill } from "../../features/opencode-skill-loader"
+
+export function matchSkillByName(skills: LoadedSkill[], requestedName: string): LoadedSkill | undefined {
+  const normalizedName = requestedName.toLowerCase()
+  const exactMatch = skills.find((skill) => skill.name.toLowerCase() === normalizedName)
+  if (exactMatch) {
+    return exactMatch
+  }
+
+  const shortNameMatches = skills.filter((skill) => {
+    const parts = skill.name.split("/")
+    const shortName = parts[parts.length - 1]
+    return parts.length > 1 && shortName?.toLowerCase() === normalizedName
+  })
+
+  if (shortNameMatches.length === 1) {
+    return shortNameMatches[0]
+  }
+
+  return undefined
+}
+
+export function matchCommandByName(commands: CommandInfo[], requestedName: string): CommandInfo | undefined {
+  const normalizedName = requestedName.toLowerCase()
+  return sortByScopePriority(commands).find((command) => command.name.toLowerCase() === normalizedName)
+}
+
+export function findPartialMatches(
+  skills: LoadedSkill[],
+  commands: CommandInfo[],
+  requestedName: string
+): string[] {
+  const normalizedName = requestedName.toLowerCase()
+  return [
+    ...skills.map((skill) => skill.name),
+    ...commands.map((command) => `/${command.name}`),
+  ].filter((name) => name.toLowerCase().includes(normalizedName))
+}