fix(cli): add help text to debug command and subcommands (#7328)

Signed-off-by: assagman <ahmetsercansagman@gmail.com>

packages/opencode/src/cli/cmd/debug/snapshot.ts

@@ -4,12 +4,14 @@ import { cmd } from "../cmd"
 
 export const SnapshotCommand = cmd({
   command: "snapshot",
+  describe: "snapshot debugging utilities",
   builder: (yargs) => yargs.command(TrackCommand).command(PatchCommand).command(DiffCommand).demandCommand(),
   async handler() {},
 })
 
 const TrackCommand = cmd({
   command: "track",
+  describe: "track current snapshot state",
   async handler() {
     await bootstrap(process.cwd(), async () => {
       console.log(await Snapshot.track())
@@ -19,6 +21,7 @@ const TrackCommand = cmd({
 
 const PatchCommand = cmd({
   command: "patch <hash>",
+  describe: "show patch for a snapshot hash",
   builder: (yargs) =>
     yargs.positional("hash", {
       type: "string",
@@ -34,6 +37,7 @@ const PatchCommand = cmd({
 
 const DiffCommand = cmd({
   command: "diff <hash>",
+  describe: "show diff for a snapshot hash",
   builder: (yargs) =>
     yargs.positional("hash", {
       type: "string",