subagent

packages/opencode/src/session/system.ts

@@ -0,0 +1,75 @@
+import { App } from "../app/app"
+import { ListTool } from "../tool/ls"
+import { Filesystem } from "../util/filesystem"
+
+import PROMPT_ANTHROPIC from "./prompt/anthropic.txt"
+import PROMPT_ANTHROPIC_SPOOF from "./prompt/anthropic_spoof.txt"
+import PROMPT_SUMMARIZE from "./prompt/summarize.txt"
+import PROMPT_TITLE from "./prompt/title.txt"
+
+export namespace SystemPrompt {
+  export function provider(providerID: string) {
+    const result = []
+    switch (providerID) {
+      case "anthropic":
+        result.push(PROMPT_ANTHROPIC_SPOOF.trim())
+        result.push(PROMPT_ANTHROPIC)
+        break
+      default:
+        result.push(PROMPT_ANTHROPIC)
+        break
+    }
+    return result
+  }
+
+  export async function environment(sessionID: string) {
+    const app = App.info()
+    return [
+      [
+        `Here is some useful information about the environment you are running in:`,
+        `<env>`,
+        `  Working directory: ${app.path.cwd}`,
+        `  Is directory a git repo: ${app.git ? "yes" : "no"}`,
+        `  Platform: ${process.platform}`,
+        `  Today's date: ${new Date().toDateString()}`,
+        `</env>`,
+        `<project>`,
+        `  ${app.git ? await ListTool.execute({ path: app.path.cwd, ignore: [] }, { sessionID: sessionID, messageID: "", abort: AbortSignal.any([]) }).then((x) => x.output) : ""}`,
+        `</project>`,
+      ].join("\n"),
+    ]
+  }
+
+  const CUSTOM_FILES = [
+    "AGENTS.md",
+    "CLAUDE.md",
+    "CONTEXT.md", // deprecated
+  ]
+  export async function custom() {
+    const { cwd, root } = App.info().path
+    const found = []
+    for (const item of CUSTOM_FILES) {
+      const matches = await Filesystem.findUp(item, cwd, root)
+      found.push(...matches.map((x) => Bun.file(x).text()))
+    }
+    return Promise.all(found)
+  }
+
+  export function summarize(providerID: string) {
+    switch (providerID) {
+      case "anthropic":
+        return [PROMPT_ANTHROPIC_SPOOF.trim(), PROMPT_SUMMARIZE]
+      default:
+        return [PROMPT_SUMMARIZE]
+    }
+  }
+
+  export function title(providerID: string) {
+    switch (providerID) {
+      case "anthropic":
+        return [PROMPT_ANTHROPIC_SPOOF.trim(), PROMPT_TITLE]
+      default:
+        return [PROMPT_TITLE]
+    }
+  }
+}