improve AGENTS.md

packages/opencode/src/app/app.ts

@@ -37,7 +37,7 @@ export namespace App {
       cwd: input.cwd,
       version: input.version,
     })
-    const git = await Filesystem.findUp(".git", input.cwd).then((x) =>
+    const git = await Filesystem.findUp(".git", input.cwd).then(([x]) =>
       x ? path.dirname(x) : undefined,
     )
     log.info("git", { git })

packages/opencode/src/config/config.ts

@@ -9,7 +9,7 @@ export namespace Config {
   export const state = App.state("config", async (app) => {
     let result: Info = {}
     for (const file of ["opencode.jsonc", "opencode.json"]) {
-      const resolved = await Filesystem.findUp(
+      const [resolved] = await Filesystem.findUp(
         file,
         app.path.cwd,
         app.path.root,

packages/opencode/src/session/context.ts

@@ -1,5 +1,5 @@
 import { App } from "../app/app"
-import path from "path"
+import { Filesystem } from "../util/filesystem"
 
 export namespace SessionContext {
   const FILES = [
@@ -9,20 +9,10 @@ export namespace SessionContext {
   ]
   export async function find() {
     const { cwd, root } = App.info().path
-    let current = cwd
     const found = []
-    while (true) {
-      for (const item of FILES) {
-        const file = Bun.file(path.join(current, item))
-        if (await file.exists()) {
-          found.push(file.text())
-        }
-      }
-
-      if (current === root) break
-      const parent = path.dirname(current)
-      if (parent === current) break
-      current = parent
+    for (const item of FILES) {
+      const matches = await Filesystem.findUp(item, cwd, root)
+      found.push(...matches.map((x) => Bun.file(x).text()))
     }
     return Promise.all(found).then((parts) => parts.join("\n\n"))
   }

packages/opencode/src/session/index.ts

@@ -683,6 +683,7 @@ export namespace Session {
     modelID: string
     providerID: string
   }) {
+    const app = App.info()
     await Session.chat({
       sessionID: input.sessionID,
       providerID: input.providerID,
@@ -690,7 +691,7 @@ export namespace Session {
       parts: [
         {
           type: "text",
-          text: PROMPT_INITIALIZE,
+          text: PROMPT_INITIALIZE.replace("${path}", app.path.root),
         },
       ],
     })

packages/opencode/src/session/prompt/initialize.txt

@@ -3,5 +3,6 @@ Please analyze this codebase and create an AGENTS.md file containing:
 2. Code style guidelines including imports, formatting, types, naming conventions, error handling, etc.
 
 The file you create will be given to agentic coding agents (such as yourself) that operate in this repository. Make it about 20 lines long.
-If there's already an AGENTS.md, improve it.
 If there are Cursor rules (in .cursor/rules/ or .cursorrules) or Copilot rules (in .github/copilot-instructions.md), make sure to include them.
+
+If there's already an AGENTS.md, improve it if it's located in ${path}

packages/opencode/src/util/filesystem.ts

@@ -3,16 +3,16 @@ import { dirname, join } from "path"
 
 export namespace Filesystem {
   export async function findUp(target: string, start: string, stop?: string) {
-    let currentDir = start
+    let current = start
+    const result = []
     while (true) {
-      const targetPath = join(currentDir, target)
-      if (await exists(targetPath)) return targetPath
-      if (stop === currentDir) return
-      const parentDir = dirname(currentDir)
-      if (parentDir === currentDir) {
-        return
-      }
-      currentDir = parentDir
+      const search = join(current, target)
+      if (await exists(search)) result.push(search)
+      if (stop === current) break
+      const parent = dirname(current)
+      if (parent === current) break
+      current = parent
     }
+    return result
   }
 }