feat(cli): add version diagnostics and build-aware start

tools/tht/cmd/tht/main_test.go

@@ -53,8 +53,8 @@ func TestRootCommandIdentity(t *testing.T) {
 		{
 			name:     "version path",
 			args:     []string{"--installation", fixture.installationPath, "version"},
-			wantCode: 2,
-			wantText: `tht: unknown command "version"`,
+			wantCode: 0,
+			wantText: "tht 0.0.0-dev",
 		},
 		{
 			name:     "retired command is not an alias",
@@ -1265,6 +1265,7 @@ case " $* " in
       exit "$THT_FAKE_MIGRATION_EXIT"
     fi
     printf '%s\n' '{"applied":[],"drifted":[],"pending":[]}' ;;
+  *" ps --all --format json "*) printf '%s\n' "$THT_FAKE_PS" ;;
   *" ps --format json "*) printf '%s\n' "$THT_FAKE_PS" ;;
   *" ps -q core "*) printf '%s\n' 'core-id' ;;
   *" image inspect --format {{.Id}} "*) printf '%s\n' "${THT_FAKE_IMAGE_ID:-sha256:bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb}" ;;