fix(config): load lsp config from jsonc configuration files

Signed-off-by: Raphanus Lo <coldturnip@gmail.com>

README.md

@@ -280,10 +280,10 @@ To remove oh-my-opencode:
 
    ```bash
    # Remove user config
-   rm -f ~/.config/opencode/oh-my-opencode.json
+   rm -f ~/.config/opencode/oh-my-opencode.json ~/.config/opencode/oh-my-opencode.jsonc
 
    # Remove project config (if exists)
-   rm -f .opencode/oh-my-opencode.json
+   rm -f .opencode/oh-my-opencode.json .opencode/oh-my-opencode.jsonc
    ```
 
 3. **Verify removal**
@@ -314,7 +314,7 @@ Highly opinionated, but adjustable to taste.
 See the full [Configuration Documentation](docs/configurations.md) for detailed information.
 
 **Quick Overview:**
-- **Config Locations**: `.opencode/oh-my-opencode.json` (project) or `~/.config/opencode/oh-my-opencode.json` (user)
+- **Config Locations**: `.opencode/oh-my-opencode.jsonc` or `.opencode/oh-my-opencode.json` (project), `~/.config/opencode/oh-my-opencode.jsonc` or `~/.config/opencode/oh-my-opencode.json` (user)
 - **JSONC Support**: Comments and trailing commas supported
 - **Agents**: Override models, temperatures, prompts, and permissions for any agent
 - **Built-in Skills**: `playwright` (browser automation), `git-master` (atomic commits)

docs/configurations.md

@@ -38,13 +38,13 @@ It asks about your providers (Claude, OpenAI, Gemini, etc.) and generates optima
 ## Config File Locations
 
 Config file locations (priority order):
-1. `.opencode/oh-my-opencode.json` (project)
+1. `.opencode/oh-my-opencode.jsonc` or `.opencode/oh-my-opencode.json` (project; prefers `.jsonc` when both exist)
-2. User config (platform-specific):
+2. User config (platform-specific; prefers `.jsonc` when both exist):
 
-| Platform        | User Config Path                                                                                            |
+| Platform        | User Config Path                                                                                                            |
-| --------------- | ----------------------------------------------------------------------------------------------------------- |
+| --------------- | --------------------------------------------------------------------------------------------------------------------------- |
-| **Windows**     | `~/.config/opencode/oh-my-opencode.json` (preferred) or `%APPDATA%\opencode\oh-my-opencode.json` (fallback) |
+| **Windows**     | `~/.config/opencode/oh-my-opencode.jsonc` (preferred) or `~/.config/opencode/oh-my-opencode.json` (fallback); `%APPDATA%\opencode\oh-my-opencode.jsonc` / `%APPDATA%\opencode\oh-my-opencode.json` (fallback) |
-| **macOS/Linux** | `~/.config/opencode/oh-my-opencode.json`                                                                    |
+| **macOS/Linux** | `~/.config/opencode/oh-my-opencode.jsonc` (preferred) or `~/.config/opencode/oh-my-opencode.json` (fallback)                |
 
 Schema autocomplete supported:
 
@@ -1061,9 +1061,10 @@ Don't want them? Disable via `disabled_mcps` in `~/.config/opencode/oh-my-openco
 
 OpenCode provides LSP tools for analysis.
 Oh My OpenCode adds refactoring tools (rename, code actions).
-All OpenCode LSP configs and custom settings (from opencode.json) are supported, plus additional Oh My OpenCode-specific settings.
+All OpenCode LSP configs and custom settings (from `opencode.jsonc` / `opencode.json`) are supported, plus additional Oh My OpenCode-specific settings.
+For config discovery, `.jsonc` takes precedence over `.json` when both exist (applies to both `opencode.*` and `oh-my-opencode.*`).
 
-Add LSP servers via the `lsp` option in `~/.config/opencode/oh-my-opencode.json` or `.opencode/oh-my-opencode.json`:
+Add LSP servers via the `lsp` option in `~/.config/opencode/oh-my-opencode.jsonc` / `~/.config/opencode/oh-my-opencode.json` or `.opencode/oh-my-opencode.jsonc` / `.opencode/oh-my-opencode.json`:
 
 ```json
 {

src/tools/lsp/server-config-loader.test.ts

@@ -1,8 +1,8 @@
 import { describe, it, expect } from "bun:test"
-import { writeFileSync, unlinkSync } from "fs"
+import { writeFileSync, unlinkSync, mkdirSync, rmSync } from "fs"
 import { join } from "path"
 import { tmpdir } from "os"
-import { loadJsonFile } from "./server-config-loader"
+import { loadJsonFile, getConfigPaths, getMergedServers } from "./server-config-loader"
 
 describe("loadJsonFile", () => {
   it("parses JSONC config files with comments correctly", () => {
@@ -36,4 +36,126 @@ describe("loadJsonFile", () => {
     // cleanup
     unlinkSync(tempPath)
   })
-})
+
+  it("discovers JSONC-only user config (oh-my-opencode.jsonc)", () => {
+    const originalEnv = process.env.OPENCODE_CONFIG_DIR
+    const tempBase = join(tmpdir(), `omo-test-user-jsonc-${Date.now()}-${Math.random().toString(36).slice(2)}`)
+    try {
+      mkdirSync(tempBase, { recursive: true })
+      process.env.OPENCODE_CONFIG_DIR = tempBase
+
+      const userJsonc = `{
+  // user jsonc config
+  "lsp": {
+    "user-jsonc": {
+      "command": ["user-jsonc-cmd"],
+      "extensions": [".ujs"]
+    }
+  }
+}`
+      const userPath = join(tempBase, "oh-my-opencode.jsonc")
+      writeFileSync(userPath, userJsonc, "utf-8")
+
+      const servers = getMergedServers()
+      const found = servers.find(s => s.id === "user-jsonc" && s.source === "user")
+      expect(found !== undefined).toBe(true)
+    } finally {
+      if (originalEnv === undefined) delete process.env.OPENCODE_CONFIG_DIR
+      else process.env.OPENCODE_CONFIG_DIR = originalEnv
+      rmSync(tempBase, { recursive: true, force: true })
+    }
+  })
+
+  it("discovers JSONC-only opencode config (opencode.jsonc)", () => {
+    const originalEnv = process.env.OPENCODE_CONFIG_DIR
+    const tempBase = join(tmpdir(), `omo-test-oc-jsonc-${Date.now()}-${Math.random().toString(36).slice(2)}`)
+    try {
+      mkdirSync(tempBase, { recursive: true })
+      process.env.OPENCODE_CONFIG_DIR = tempBase
+
+      const opencodeJsonc = `{
+  // opencode jsonc config
+  "lsp": {
+    "opencode-jsonc": {
+      "command": ["opencode-jsonc-cmd"],
+      "extensions": [".ocjs"]
+    }
+  }
+}`
+      const opencodePath = join(tempBase, "opencode.jsonc")
+      writeFileSync(opencodePath, opencodeJsonc, "utf-8")
+
+      const servers = getMergedServers()
+      const found = servers.find(s => s.id === "opencode-jsonc" && s.source === "opencode")
+      expect(found !== undefined).toBe(true)
+    } finally {
+      if (originalEnv === undefined) delete process.env.OPENCODE_CONFIG_DIR
+      else process.env.OPENCODE_CONFIG_DIR = originalEnv
+      rmSync(tempBase, { recursive: true, force: true })
+    }
+  })
+
+  it("discovers JSONC-only project config (.opencode/oh-my-opencode.jsonc)", () => {
+    const originalCwd = process.cwd()
+    const tempProject = join(tmpdir(), `omo-test-project-jsonc-${Date.now()}-${Math.random().toString(36).slice(2)}`)
+    try {
+      mkdirSync(join(tempProject, ".opencode"), { recursive: true })
+      const projectJsonc = `{
+  // project jsonc config
+  "lsp": {
+    "project-jsonc": {
+      "command": ["project-jsonc-cmd"],
+      "extensions": [".pjs"]
+    }
+  }
+}`
+      const projectPath = join(tempProject, ".opencode", "oh-my-opencode.jsonc")
+      writeFileSync(projectPath, projectJsonc, "utf-8")
+
+      process.chdir(tempProject)
+      const servers = getMergedServers()
+      const found = servers.find(s => s.id === "project-jsonc" && s.source === "project")
+      expect(found !== undefined).toBe(true)
+    } finally {
+      process.chdir(originalCwd)
+      rmSync(tempProject, { recursive: true, force: true })
+    }
+  })
+
+  it("prefers .jsonc over .json when both exist for same config id", () => {
+    const originalEnv = process.env.OPENCODE_CONFIG_DIR
+    const tempBase = join(tmpdir(), `omo-test-precedence-${Date.now()}-${Math.random().toString(36).slice(2)}`)
+    try {
+      mkdirSync(tempBase, { recursive: true })
+      process.env.OPENCODE_CONFIG_DIR = tempBase
+
+      const jsonContent = `{
+  "lsp": {
+    "conflict": {
+      "command": ["from-json"],
+      "extensions": [".j"]
+    }
+  }
+}`
+      const jsoncContent = `{
+  // jsonc should take precedence
+  "lsp": {
+    "conflict": {
+      "command": ["from-jsonc"],
+      "extensions": [".jc"]
+    }
+  }
+}`
+      writeFileSync(join(tempBase, "oh-my-opencode.json"), jsonContent, "utf-8")
+      writeFileSync(join(tempBase, "oh-my-opencode.jsonc"), jsoncContent, "utf-8")
+
+      const servers = getMergedServers()
+      const found = servers.find(s => s.id === "conflict" && s.source === "user")
+      expect(found?.command && Array.isArray(found.command) && found.command[0] === "from-jsonc").toBe(true)
+    } finally {
+      if (originalEnv === undefined) delete process.env.OPENCODE_CONFIG_DIR
+      else process.env.OPENCODE_CONFIG_DIR = originalEnv
+      rmSync(tempBase, { recursive: true, force: true })
+    }
+  })
+})

src/tools/lsp/server-config-loader.ts

@@ -4,7 +4,7 @@ import { join } from "path"
 import { BUILTIN_SERVERS } from "./constants"
 import type { ResolvedServer } from "./types"
 import { getOpenCodeConfigDir } from "../../shared"
-import { parseJsonc } from "../../shared/jsonc-parser"
+import { parseJsonc, detectConfigFile } from "../../shared/jsonc-parser"
 
 interface LspEntry {
   disabled?: boolean
@@ -38,9 +38,9 @@ export function getConfigPaths(): { project: string; user: string; opencode: str
   const cwd = process.cwd()
   const configDir = getOpenCodeConfigDir({ binary: "opencode" })
   return {
-    project: join(cwd, ".opencode", "oh-my-opencode.json"),
+    project: detectConfigFile(join(cwd, ".opencode", "oh-my-opencode")).path,
-    user: join(configDir, "oh-my-opencode.json"),
+    user: detectConfigFile(join(configDir, "oh-my-opencode")).path,
-    opencode: join(configDir, "opencode.json"),
+    opencode: detectConfigFile(join(configDir, "opencode")).path,
   }
 }