feat: dynamically resolve AGENTS.md files from subdirectories as agent explores them (#10678)

packages/opencode/src/session/system.ts

@@ -1,37 +1,14 @@
 import { Ripgrep } from "../file/ripgrep"
-import { Global } from "../global"
-import { Filesystem } from "../util/filesystem"
-import { Config } from "../config/config"
-import { Log } from "../util/log"
 
 import { Instance } from "../project/instance"
-import path from "path"
-import os from "os"
 
 import PROMPT_ANTHROPIC from "./prompt/anthropic.txt"
 import PROMPT_ANTHROPIC_WITHOUT_TODO from "./prompt/qwen.txt"
 import PROMPT_BEAST from "./prompt/beast.txt"
 import PROMPT_GEMINI from "./prompt/gemini.txt"
-import PROMPT_ANTHROPIC_SPOOF from "./prompt/anthropic_spoof.txt"
 
 import PROMPT_CODEX from "./prompt/codex_header.txt"
 import type { Provider } from "@/provider/provider"
-import { Flag } from "@/flag/flag"
-
-const log = Log.create({ service: "system-prompt" })
-
-async function resolveRelativeInstruction(instruction: string): Promise<string[]> {
-  if (!Flag.OPENCODE_DISABLE_PROJECT_CONFIG) {
-    return Filesystem.globUp(instruction, Instance.directory, Instance.worktree).catch(() => [])
-  }
-  if (!Flag.OPENCODE_CONFIG_DIR) {
-    log.warn(
-      `Skipping relative instruction "${instruction}" - no OPENCODE_CONFIG_DIR set while project config is disabled`,
-    )
-    return []
-  }
-  return Filesystem.globUp(instruction, Flag.OPENCODE_CONFIG_DIR, Flag.OPENCODE_CONFIG_DIR).catch(() => [])
-}
 
 export namespace SystemPrompt {
   export function instructions() {
@@ -72,81 +49,4 @@ export namespace SystemPrompt {
       ].join("\n"),
     ]
   }
-
-  const LOCAL_RULE_FILES = [
-    "AGENTS.md",
-    "CLAUDE.md",
-    "CONTEXT.md", // deprecated
-  ]
-  const GLOBAL_RULE_FILES = [path.join(Global.Path.config, "AGENTS.md")]
-  if (!Flag.OPENCODE_DISABLE_CLAUDE_CODE_PROMPT) {
-    GLOBAL_RULE_FILES.push(path.join(os.homedir(), ".claude", "CLAUDE.md"))
-  }
-
-  if (Flag.OPENCODE_CONFIG_DIR) {
-    GLOBAL_RULE_FILES.push(path.join(Flag.OPENCODE_CONFIG_DIR, "AGENTS.md"))
-  }
-
-  export async function custom() {
-    const config = await Config.get()
-    const paths = new Set<string>()
-
-    // Only scan local rule files when project discovery is enabled
-    if (!Flag.OPENCODE_DISABLE_PROJECT_CONFIG) {
-      for (const localRuleFile of LOCAL_RULE_FILES) {
-        const matches = await Filesystem.findUp(localRuleFile, Instance.directory, Instance.worktree)
-        if (matches.length > 0) {
-          matches.forEach((path) => paths.add(path))
-          break
-        }
-      }
-    }
-
-    for (const globalRuleFile of GLOBAL_RULE_FILES) {
-      if (await Bun.file(globalRuleFile).exists()) {
-        paths.add(globalRuleFile)
-        break
-      }
-    }
-
-    const urls: string[] = []
-    if (config.instructions) {
-      for (let instruction of config.instructions) {
-        if (instruction.startsWith("https://") || instruction.startsWith("http://")) {
-          urls.push(instruction)
-          continue
-        }
-        if (instruction.startsWith("~/")) {
-          instruction = path.join(os.homedir(), instruction.slice(2))
-        }
-        let matches: string[] = []
-        if (path.isAbsolute(instruction)) {
-          matches = await Array.fromAsync(
-            new Bun.Glob(path.basename(instruction)).scan({
-              cwd: path.dirname(instruction),
-              absolute: true,
-              onlyFiles: true,
-            }),
-          ).catch(() => [])
-        } else {
-          matches = await resolveRelativeInstruction(instruction)
-        }
-        matches.forEach((path) => paths.add(path))
-      }
-    }
-
-    const foundFiles = Array.from(paths).map((p) =>
-      Bun.file(p)
-        .text()
-        .catch(() => "")
-        .then((x) => "Instructions from: " + p + "\n" + x),
-    )
-    const foundUrls = urls.map((url) =>
-      fetch(url, { signal: AbortSignal.timeout(5000) })
-        .then((res) => (res.ok ? res.text() : ""))
-        .catch(() => "")
-        .then((x) => (x ? "Instructions from: " + url + "\n" + x : "")),
-    )
-    return Promise.all([...foundFiles, ...foundUrls]).then((result) => result.filter(Boolean))
-  }
 }