fix(cli): honor --yes/SUPABASE_YES and Go prompt semantics consistently across confirmation prompts

apps/cli/src/legacy/commands/bootstrap/bootstrap.handler.ts

@@ -6,6 +6,7 @@ import { LegacyCliConfig } from "../../config/legacy-cli-config.service.ts";
 import { LegacyLinkedProjectCache } from "../../telemetry/legacy-linked-project-cache.service.ts";
 import { LegacyTelemetryState } from "../../telemetry/legacy-telemetry-state.service.ts";
 import { LegacyWorkdirFlag, legacyResolveYes } from "../../../shared/legacy/global-flags.ts";
+import { legacyPromptYesNo } from "../../../shared/legacy/legacy-prompt-yes-no.ts";
 import { CONTEXT_CANCELED_MESSAGE } from "../../../shared/output/errors.ts";
 import { Output } from "../../../shared/output/output.service.ts";
 import { LegacyGoProxy } from "../../../shared/legacy/go-proxy.service.ts";
@@ -129,12 +130,16 @@ export const legacyBootstrap = Effect.fn("legacy.bootstrap")(function* (
         ),
       );
     if (entries.length > 0) {
-      const overwrite = yesFlag
-        ? true
-        : yield* output.promptConfirm(
-            `Do you want to overwrite existing files in ${legacyBold(workdir)} directory?`,
-            { defaultValue: true },
-          );
+      // Go's `PromptYesNo(title, true)` (`bootstrap.go:47-48`, `console.go:64-82`):
+      // `--yes`/`SUPABASE_YES` auto-confirms with the `<title> [Y/n] y` stderr echo
+      // instead of silently skipping the prompt, and a non-TTY stdin scans one
+      // piped line (100ms) before falling back to the Yes default (CLI-1974).
+      const overwrite = yield* legacyPromptYesNo(
+        output,
+        yesFlag,
+        `Do you want to overwrite existing files in ${legacyBold(workdir)} directory?`,
+        true,
+      );
       if (!overwrite) {
         return yield* new LegacyBootstrapOverwriteDeclinedError({
           message: CONTEXT_CANCELED_MESSAGE,
@@ -159,6 +164,7 @@ export const legacyBootstrap = Effect.fn("legacy.bootstrap")(function* (
         cwd: workdir,
         force: true,
         interactive: false,
+        yes: yesFlag,
         useOrioledb: false,
         withVscodeSettings: false,
         withIntellijSettings: false,

apps/cli/src/legacy/commands/bootstrap/bootstrap.integration.test.ts

@@ -306,6 +306,10 @@ describe("legacy bootstrap integration", () => {
     writeFileSync(join(tempRoot.current, "existing.txt"), "keep me");
     return Effect.gen(function* () {
       yield* legacyBootstrap(flags({ template: Option.some("scratch") }), FAST_BACKOFF);
+      // Go's PromptYesNo echoes the auto-accepted overwrite question to stderr
+      // under the global YES flag (`bootstrap.go:47-48`, `console.go:70-72`).
+      expect(s.out.stderrText).toContain("Do you want to overwrite existing files in ");
+      expect(s.out.stderrText).toContain(" directory? [Y/n] y\n");
       expect(existsSync(join(s.workdir, "supabase", "config.toml"))).toBe(true);
     }).pipe(Effect.provide(s.layer));
   });

apps/cli/src/legacy/commands/branches/create/create.command.ts

@@ -1,7 +1,9 @@
 import { Argument, Command, Flag } from "effect/unstable/cli";
 import type * as CliCommand from "effect/unstable/cli/Command";
 
+import { Layer } from "effect";
 import { withJsonErrorHandling } from "../../../../shared/output/json-error-handling.ts";
+import { stdinLayer } from "../../../../shared/runtime/stdin.layer.ts";
 import { legacyManagementApiRuntimeLayer } from "../../../shared/legacy-management-api-runtime.layer.ts";
 import { withLegacyCommandInstrumentation } from "../../../telemetry/legacy-command-instrumentation.ts";
 import { legacyBranchesCreate } from "./create.handler.ts";
@@ -99,5 +101,9 @@ export const legacyBranchesCreateCommand = Command.make("create", config).pipe(
       withJsonErrorHandling,
     ),
   ),
-  Command.provide(legacyManagementApiRuntimeLayer(["branches", "create"])),
+  // `stdinLayer`: the confirmation prompt reads piped stdin via `legacyPromptYesNo`
+  // (Go's `Console.ReadLine`, `console.go:38-61`) on a non-TTY stdin.
+  Command.provide(
+    Layer.mergeAll(legacyManagementApiRuntimeLayer(["branches", "create"]), stdinLayer),
+  ),
 );

apps/cli/src/legacy/commands/branches/create/create.handler.ts

@@ -6,10 +6,12 @@ import { LegacyPlatformApi } from "../../../auth/legacy-platform-api.service.ts"
 import { LegacyProjectRefResolver } from "../../../config/legacy-project-ref.service.ts";
 import { LegacyLinkedProjectCache } from "../../../telemetry/legacy-linked-project-cache.service.ts";
 import { LegacyTelemetryState } from "../../../telemetry/legacy-telemetry-state.service.ts";
-import { LegacyOutputFlag } from "../../../../shared/legacy/global-flags.ts";
+import { LegacyOutputFlag, legacyResolveYes } from "../../../../shared/legacy/global-flags.ts";
+import { legacyPromptYesNo } from "../../../../shared/legacy/legacy-prompt-yes-no.ts";
 import { CONTEXT_CANCELED_MESSAGE } from "../../../../shared/output/errors.ts";
 import { Output } from "../../../../shared/output/output.service.ts";
 import { detectGitBranch } from "../../../../shared/git/git-branch.ts";
+import { legacyAqua } from "../../../shared/legacy-colors.ts";
 import {
   encodeEnv,
   encodeGoJson,
@@ -60,14 +62,19 @@ export const legacyBranchesCreate = Effect.fn("legacy.branches.create")(function
   if (branchName.length === 0) {
     const gitBranch = yield* detectGitBranch();
     if (Option.isSome(gitBranch) && gitBranch.value.length > 0) {
-      // Go's `create.go:20-25` calls `utils.NewConsole().PromptYesNo(...)`
-      // unconditionally — on a TTY it blocks for input, off-TTY it reads stdin
-      // with a 100ms timeout and defaults to `true` on EOF. We always fire the
-      // confirm; the non-interactive `Output` layer auto-falls-through (via
-      // `Effect.orElseSucceed(true)`) which matches Go's EOF-default-true.
-      const confirmed = yield* output
-        .promptConfirm(`Do you want to create a branch named ${gitBranch.value}?`)
-        .pipe(Effect.orElseSucceed(() => true));
+      // Go's `create.go:20-25` routes this through `PromptYesNo(title, true)`
+      // (`console.go:64-82`), so `--yes`/`SUPABASE_YES` auto-confirms with the
+      // `<title> [Y/n] y` stderr echo instead of blocking a TTY, and a non-TTY
+      // stdin prints the label and scans one piped line (100ms) before falling
+      // back to the Yes default — `echo n | supabase branches create` cancels
+      // (CLI-1974). Go wraps the branch name in `utils.Aqua` (`create.go:20`).
+      const yes = yield* legacyResolveYes;
+      const confirmed = yield* legacyPromptYesNo(
+        output,
+        yes,
+        `Do you want to create a branch named ${legacyAqua(gitBranch.value)}?`,
+        true,
+      );
       if (!confirmed) {
         return yield* new LegacyBranchesCreateCancelledError({ message: CONTEXT_CANCELED_MESSAGE });
       }

apps/cli/src/legacy/commands/branches/create/create.integration.test.ts

@@ -1,10 +1,15 @@
 import type { V1CreateABranchOutput } from "@supabase/api/effect";
 import { describe, expect, it } from "@effect/vitest";
-import { Cause, Effect, Exit, Option } from "effect";
+import { Cause, Effect, Exit, Layer, Option } from "effect";
 import { Command } from "effect/unstable/cli";
 
-import { mockAnalytics, mockOutput } from "../../../../../tests/helpers/mocks.ts";
-import { LEGACY_GLOBAL_FLAGS } from "../../../../shared/legacy/global-flags.ts";
+import {
+  mockAnalytics,
+  mockOutput,
+  mockStdin,
+  mockTty,
+} from "../../../../../tests/helpers/mocks.ts";
+import { LEGACY_GLOBAL_FLAGS, LegacyYesFlag } from "../../../../shared/legacy/global-flags.ts";
 import {
   LEGACY_VALID_REF,
   buildLegacyTestRuntime,
@@ -72,6 +77,12 @@ interface SetupOpts {
   readonly network?: "fail";
   readonly gated?: boolean;
   readonly featureKey?: string;
+  /** Resolved `--yes`/`SUPABASE_YES` for the git-branch auto-name confirm. */
+  readonly yes?: boolean;
+  readonly stdinIsTty?: boolean;
+  /** Piped stdin lines consumed by the non-TTY confirm read. */
+  readonly stdinInput?: string;
+  readonly promptConfirmResponses?: ReadonlyArray<boolean>;
 }
 
 function buildApiLayer(opts: SetupOpts) {
@@ -101,17 +112,25 @@ function buildApiLayer(opts: SetupOpts) {
 }
 
 function setup(opts: SetupOpts = {}) {
-  const out = mockOutput({ format: opts.format ?? "text" });
+  const out = mockOutput({
+    format: opts.format ?? "text",
+    promptConfirmResponses: opts.promptConfirmResponses,
+  });
   const analytics = mockAnalytics();
   const api = buildApiLayer(opts);
   const cliConfig = mockLegacyCliConfig({ workdir: tempRoot.current });
-  const layer = buildLegacyTestRuntime({
-    out,
-    api,
-    cliConfig,
-    analytics,
-    goOutput: opts.goOutput === undefined ? Option.none() : Option.some(opts.goOutput),
-  });
+  const layer = Layer.mergeAll(
+    buildLegacyTestRuntime({
+      out,
+      api,
+      cliConfig,
+      analytics,
+      tty: mockTty({ stdinIsTty: opts.stdinIsTty ?? false, stdoutIsTty: false }),
+      stdin: mockStdin(opts.stdinIsTty ?? false, opts.stdinInput),
+      goOutput: opts.goOutput === undefined ? Option.none() : Option.some(opts.goOutput),
+    }),
+    Layer.succeed(LegacyYesFlag, opts.yes ?? false),
+  );
   return { layer, out, api, analytics };
 }
 
@@ -122,14 +141,17 @@ function setupTracked(opts: SetupOpts = {}) {
   const cliConfig = mockLegacyCliConfig({ workdir: tempRoot.current });
   const telemetry = mockLegacyTelemetryStateTracked();
   const cache = mockLegacyLinkedProjectCacheTracked();
-  const layer = buildLegacyTestRuntime({
-    out,
-    api,
-    cliConfig,
-    analytics,
-    telemetry: telemetry.layer,
-    linkedProjectCache: cache.layer,
-  });
+  const layer = Layer.mergeAll(
+    buildLegacyTestRuntime({
+      out,
+      api,
+      cliConfig,
+      analytics,
+      telemetry: telemetry.layer,
+      linkedProjectCache: cache.layer,
+    }),
+    Layer.succeed(LegacyYesFlag, opts.yes ?? false),
+  );
   return { layer, out, api, telemetry, cache, analytics };
 }
 
@@ -197,6 +219,105 @@ describe("legacy branches create integration", () => {
     }).pipe(Effect.provide(layer));
   });
 
+  // ---------------------------------------------------------------------------
+  // Git-branch auto-name confirmation — Go `create.go:17-28` routes it through
+  // `PromptYesNo(title, true)` (`console.go:64-82`). `GITHUB_HEAD_REF` drives
+  // `detectGitBranch` deterministically (its highest-priority source).
+  // ---------------------------------------------------------------------------
+
+  const withGitBranch = <A, E, R>(effect: Effect.Effect<A, E, R>, branch = "feat-y") => {
+    const prevHead = process.env["GITHUB_HEAD_REF"];
+    process.env["GITHUB_HEAD_REF"] = branch;
+    return effect.pipe(
+      Effect.ensuring(
+        Effect.sync(() => {
+          if (prevHead === undefined) delete process.env["GITHUB_HEAD_REF"];
+          else process.env["GITHUB_HEAD_REF"] = prevHead;
+        }),
+      ),
+    );
+  };
+
+  it.live("--yes auto-confirms the git-branch name with the [Y/n] y echo", () => {
+    const { layer, out, api } = setup({ yes: true, stdinIsTty: true });
+    return withGitBranch(
+      Effect.gen(function* () {
+        yield* legacyBranchesCreate(baseFlags);
+        // Go's `viper.GetBool("YES")` branch echoes `<title> [Y/n] y` to stderr
+        // (`console.go:70-72`) instead of blocking the TTY prompt.
+        expect(out.stderrText).toContain("Do you want to create a branch named ");
+        expect(out.stderrText).toContain("? [Y/n] y\n");
+        expect(api.requests[0]?.body).toMatchObject({
+          branch_name: "feat-y",
+          git_branch: "feat-y",
+        });
+      }).pipe(Effect.provide(layer)),
+    );
+  });
+
+  it.live("SUPABASE_YES=1 auto-confirms the git-branch name like --yes", () => {
+    const prev = process.env["SUPABASE_YES"];
+    process.env["SUPABASE_YES"] = "1";
+    const { layer, out, api } = setup({ stdinIsTty: true });
+    return withGitBranch(
+      Effect.gen(function* () {
+        yield* legacyBranchesCreate(baseFlags);
+        expect(out.stderrText).toContain("? [Y/n] y\n");
+        expect(api.requests[0]?.body).toMatchObject({ branch_name: "feat-y" });
+      }).pipe(
+        Effect.ensuring(
+          Effect.sync(() => {
+            if (prev === undefined) delete process.env["SUPABASE_YES"];
+            else process.env["SUPABASE_YES"] = prev;
+          }),
+        ),
+        Effect.provide(layer),
+      ),
+    );
+  });
+
+  it.live("non-TTY with piped `n` declines the git-branch name like Go", () => {
+    const { layer, out, api } = setup({ stdinIsTty: false, stdinInput: "n\n" });
+    return withGitBranch(
+      Effect.gen(function* () {
+        const exit = yield* Effect.exit(legacyBranchesCreate(baseFlags));
+        expect(Exit.isFailure(exit)).toBe(true);
+        if (Exit.isFailure(exit)) {
+          expect(JSON.stringify(exit.cause)).toContain("LegacyBranchesCreateCancelledError");
+        }
+        // The piped answer is echoed to stderr like Go's non-TTY PromptText.
+        expect(out.stderrText).toContain("? [Y/n] n\n");
+        expect(api.requests).toHaveLength(0);
+      }).pipe(Effect.provide(layer)),
+    );
+  });
+
+  it.live("non-TTY with empty stdin takes the Yes default and creates the branch", () => {
+    const { layer, out, api } = setup({ stdinIsTty: false });
+    return withGitBranch(
+      Effect.gen(function* () {
+        yield* legacyBranchesCreate(baseFlags);
+        // Label printed, empty scan echoed, true default wins (`console.go:64-102`).
+        expect(out.stderrText).toContain("? [Y/n] \n");
+        expect(api.requests[0]?.body).toMatchObject({ branch_name: "feat-y" });
+      }).pipe(Effect.provide(layer)),
+    );
+  });
+
+  it.live("TTY decline of the git-branch name cancels without creating", () => {
+    const { layer, api } = setup({ stdinIsTty: true, promptConfirmResponses: [false] });
+    return withGitBranch(
+      Effect.gen(function* () {
+        const exit = yield* Effect.exit(legacyBranchesCreate(baseFlags));
+        expect(Exit.isFailure(exit)).toBe(true);
+        if (Exit.isFailure(exit)) {
+          expect(JSON.stringify(exit.cause)).toContain("LegacyBranchesCreateCancelledError");
+        }
+        expect(api.requests).toHaveLength(0);
+      }).pipe(Effect.provide(layer)),
+    );
+  });
+
   it.live("emits a success event for --output-format=json", () => {
     const { layer, out } = setup({ format: "json" });
     return Effect.gen(function* () {

apps/cli/src/legacy/commands/config/push/push.handler.ts

@@ -13,7 +13,7 @@ import {
   legacyLoadProjectEnv,
 } from "../../../shared/legacy-db-config.toml-read.ts";
 import { mapLegacyHttpError } from "../../../shared/legacy-http-errors.ts";
-import { legacyPromptYesNo } from "../../../shared/legacy-prompt-yes-no.ts";
+import { legacyPromptYesNo } from "../../../../shared/legacy/legacy-prompt-yes-no.ts";
 import { legacyCollectDotenvPrivateKeys } from "../../../shared/legacy-vault-decrypt.ts";
 import { apiSubsetFromConfig, apiToUpdateBody, diffApiWithRemote } from "./config-sync/api.sync.ts";
 import {

apps/cli/src/legacy/commands/db/pull/pull.handler.ts

@@ -10,7 +10,7 @@ import { LegacyGoProxy } from "../../../../shared/legacy/go-proxy.service.ts";
 import { Output } from "../../../../shared/output/output.service.ts";
 import { LegacyCliConfig } from "../../../config/legacy-cli-config.service.ts";
 import { legacyAqua, legacyBold } from "../../../shared/legacy-colors.ts";
-import { legacyPromptYesNo } from "../../../shared/legacy-prompt-yes-no.ts";
+import { legacyPromptYesNo } from "../../../../shared/legacy/legacy-prompt-yes-no.ts";
 import {
   legacyIpv6Suggestion,
   legacyIsIPv6ConnectivityError,

apps/cli/src/legacy/commands/db/push/push.handler.ts

@@ -19,7 +19,7 @@ import {
   legacyApplyMigrations,
   legacySeedGlobals,
 } from "../../../shared/legacy-migration-apply.ts";
-import { legacyPromptYesNo } from "../../../shared/legacy-prompt-yes-no.ts";
+import { legacyPromptYesNo } from "../../../../shared/legacy/legacy-prompt-yes-no.ts";
 import { legacyToPostgresURL } from "../../../shared/legacy-postgres-url.ts";
 import { resolveLegacyDbTargetFlags } from "../../../shared/legacy-db-target-flags.ts";
 import { LegacyLinkedProjectCache } from "../../../telemetry/legacy-linked-project-cache.service.ts";

apps/cli/src/legacy/commands/db/reset/reset.handler.ts

@@ -21,7 +21,7 @@ import {
 } from "../../../shared/legacy-db-config.toml-read.ts";
 import { LegacyDbConnection } from "../../../shared/legacy-db-connection.service.ts";
 import { legacyApplyMigrations } from "../../../shared/legacy-migration-apply.ts";
-import { legacyPromptYesNo } from "../../../shared/legacy-prompt-yes-no.ts";
+import { legacyPromptYesNo } from "../../../../shared/legacy/legacy-prompt-yes-no.ts";
 import {
   type LegacyDbConnType,
   resolveLegacyDbTargetFlags,