diff --git a/src/commands/span/list.ts b/src/commands/span/list.ts
index 13345d34f..6b6666c99 100644
--- a/src/commands/span/list.ts
+++ b/src/commands/span/list.ts
@@ -389,6 +389,7 @@ async function handleTraceMode(
         cursor,
         ...timeRangeToApiParams(timeRange),
         extraFields: extraApiFields,
+        allProjects: true,
       })
   );
 
diff --git a/src/lib/api/traces.ts b/src/lib/api/traces.ts
index e800cccff..2d3c6e376 100644
--- a/src/lib/api/traces.ts
+++ b/src/lib/api/traces.ts
@@ -386,6 +386,8 @@ type ListSpansOptions = {
   start?: string;
   /** Absolute end datetime (ISO-8601). Mutually exclusive with statsPeriod. */
   end?: string;
+  /** When true, query spans across all projects (sends project=-1). Used for cross-project traces. */
+  allProjects?: boolean;
 };
 
 /**
@@ -402,8 +404,10 @@ export async function listSpans(
   projectSlug: string,
   options: ListSpansOptions = {}
 ): Promise<PaginatedResponse<SpanListItem[]>> {
-  const isNumericProject = isAllDigits(projectSlug);
-  const projectFilter = isNumericProject ? "" : `project:${projectSlug}`;
+  const useAllProjects = options.allProjects === true;
+  const isNumericProject = !useAllProjects && isAllDigits(projectSlug);
+  const projectFilter =
+    useAllProjects || isNumericProject ? "" : `project:${projectSlug}`;
   const fullQuery = [projectFilter, options.query].filter(Boolean).join(" ");
 
   const fields = options.extraFields?.length
@@ -412,6 +416,13 @@ export async function listSpans(
 
   const regionUrl = await resolveOrgRegion(orgSlug);
 
+  let projectParam: string | number | undefined;
+  if (useAllProjects) {
+    projectParam = -1;
+  } else if (isNumericProject) {
+    projectParam = projectSlug;
+  }
+
   const { data: response, headers } = await apiRequestToRegion<SpansResponse>(
     regionUrl,
     `/organizations/${orgSlug}/events/`,
@@ -419,7 +430,7 @@ export async function listSpans(
       params: {
         dataset: "spans",
         field: fields,
-        project: isNumericProject ? projectSlug : undefined,
+        project: projectParam,
         query: fullQuery || undefined,
         per_page: options.limit || 10,
         statsPeriod:
diff --git a/src/lib/dsn/env-file.ts b/src/lib/dsn/env-file.ts
index 3193b1a0d..4cc3fc9fb 100644
--- a/src/lib/dsn/env-file.ts
+++ b/src/lib/dsn/env-file.ts
@@ -44,11 +44,17 @@ export const ENV_FILES = [
 ] as const;
 
 /**
- * Pattern to match SENTRY_DSN in .env files.
- * Handles: SENTRY_DSN=value, SENTRY_DSN="value", SENTRY_DSN='value'
- * Also handles trailing comments: SENTRY_DSN=value # comment
+ * Pattern to match Sentry DSN variables in .env files.
+ * Handles the canonical `SENTRY_DSN` as well as framework-prefixed variants
+ * commonly used by Next.js, Vite, CRA, Expo, Nuxt, and others:
+ *   NEXT_PUBLIC_SENTRY_DSN, REACT_APP_SENTRY_DSN, VITE_SENTRY_DSN,
+ *   EXPO_PUBLIC_SENTRY_DSN, NUXT_PUBLIC_SENTRY_DSN, etc.
+ *
+ * Handles: VAR=value, VAR="value", VAR='value'
+ * Also handles trailing comments: VAR=value # comment
  */
-const ENV_DSN_PATTERN = /^SENTRY_DSN\s*=\s*(['"]?)(.+?)\1\s*(?:#.*)?$/;
+const ENV_DSN_PATTERN =
+  /^(?:\w+_)?SENTRY_DSN\s*=\s*(['"]?)(.+?)\1\s*(?:#.*)?$/;
 
 /**
  * Extract SENTRY_DSN value from .env file content.
diff --git a/src/lib/dsn/env.ts b/src/lib/dsn/env.ts
index c8dfb0dbe..dc2c01d64 100644
--- a/src/lib/dsn/env.ts
+++ b/src/lib/dsn/env.ts
@@ -13,7 +13,22 @@ import type { DetectedDsn } from "./types.js";
 export const SENTRY_DSN_ENV = "SENTRY_DSN";
 
 /**
- * Detect DSN from environment variable.
+ * Framework-prefixed env var names that commonly hold a Sentry DSN.
+ * Checked in order after `SENTRY_DSN` (canonical name has priority).
+ */
+const FRAMEWORK_DSN_VARS = [
+  "NEXT_PUBLIC_SENTRY_DSN",
+  "REACT_APP_SENTRY_DSN",
+  "VITE_SENTRY_DSN",
+  "EXPO_PUBLIC_SENTRY_DSN",
+  "NUXT_PUBLIC_SENTRY_DSN",
+] as const;
+
+/**
+ * Detect DSN from environment variables.
+ *
+ * Checks `SENTRY_DSN` first (canonical), then common framework-prefixed
+ * variants (NEXT_PUBLIC_SENTRY_DSN, REACT_APP_SENTRY_DSN, etc.).
  *
  * @returns Detected DSN or null if not set/invalid
  *
@@ -23,10 +38,19 @@ export const SENTRY_DSN_ENV = "SENTRY_DSN";
  * // { raw: "...", source: "env", projectId: "456", ... }
  */
 export function detectFromEnv(): DetectedDsn | null {
-  const dsn = getEnv()[SENTRY_DSN_ENV];
-  if (!dsn) {
-    return null;
+  const env = getEnv();
+
+  const canonical = env[SENTRY_DSN_ENV];
+  if (canonical) {
+    return createDetectedDsn(canonical, "env");
+  }
+
+  for (const varName of FRAMEWORK_DSN_VARS) {
+    const value = env[varName];
+    if (value) {
+      return createDetectedDsn(value, "env");
+    }
   }
 
-  return createDetectedDsn(dsn, "env");
+  return null;
 }
diff --git a/src/lib/init/clack-plain.ts b/src/lib/init/clack-plain.ts
new file mode 100644
index 000000000..aad1d40ef
--- /dev/null
+++ b/src/lib/init/clack-plain.ts
@@ -0,0 +1,122 @@
+/**
+ * Plain-mode adapter for @clack/prompts.
+ *
+ * When stdout is not a TTY (piped, redirected, CI), clack writes raw ANSI
+ * escape sequences (cursor hide/show, erase codes, spinner animation) that
+ * make captured output unreadable. This module re-exports the clack functions
+ * used by the init wizard, replacing them with plain-text equivalents when
+ * `isPlainOutput()` is true.
+ *
+ * Interactive prompts (confirm, select, multiselect) pass through to real
+ * clack unconditionally — they're only reached in TTY mode (the wizard
+ * guards with `process.stdin.isTTY` before prompts).
+ */
+
+import * as clack from "@clack/prompts";
+import { isPlainOutput } from "../formatters/plain-detect.js";
+import { stripAnsi } from "../formatters/plain-detect.js";
+
+function plainWrite(message: string): void {
+  process.stdout.write(`${stripAnsi(message)}\n`);
+}
+
+function plainWriteErr(message: string): void {
+  process.stderr.write(`${stripAnsi(message)}\n`);
+}
+
+/** intro() — in plain mode, just print the title without box-drawing chars */
+export function intro(title?: string): void {
+  if (isPlainOutput()) {
+    if (title) {
+      plainWrite(`── ${stripAnsi(String(title))} ──`);
+    }
+    return;
+  }
+  clack.intro(title);
+}
+
+/** outro() — in plain mode, print a simple closing line */
+export function outro(message?: string): void {
+  if (isPlainOutput()) {
+    if (message) {
+      plainWrite(stripAnsi(String(message)));
+    }
+    return;
+  }
+  clack.outro(message);
+}
+
+/** cancel() — in plain mode, print the cancellation message */
+export function cancel(message?: string): void {
+  if (isPlainOutput()) {
+    if (message) {
+      plainWriteErr(stripAnsi(String(message)));
+    }
+    return;
+  }
+  clack.cancel(message);
+}
+
+/**
+ * log — delegates to the real clack.log, but in plain mode strips ANSI
+ * and writes to stdout/stderr without box-drawing characters.
+ */
+export const log: typeof clack.log = {
+  message(message?: string, opts?: { symbol?: string }) {
+    if (isPlainOutput()) {
+      if (message) {
+        const prefix = opts?.symbol
+          ? `${stripAnsi(opts.symbol)} `
+          : "";
+        plainWrite(`${prefix}${stripAnsi(message)}`);
+      }
+      return;
+    }
+    clack.log.message(message, opts);
+  },
+  info(message: string) {
+    if (isPlainOutput()) {
+      plainWrite(`INFO: ${stripAnsi(message)}`);
+      return;
+    }
+    clack.log.info(message);
+  },
+  success(message: string) {
+    if (isPlainOutput()) {
+      plainWrite(`OK: ${stripAnsi(message)}`);
+      return;
+    }
+    clack.log.success(message);
+  },
+  step(message: string) {
+    if (isPlainOutput()) {
+      plainWrite(`> ${stripAnsi(message)}`);
+      return;
+    }
+    clack.log.step(message);
+  },
+  warn(message: string) {
+    if (isPlainOutput()) {
+      plainWriteErr(`WARN: ${stripAnsi(message)}`);
+      return;
+    }
+    clack.log.warn(message);
+  },
+  warning(message: string) {
+    if (isPlainOutput()) {
+      plainWriteErr(`WARN: ${stripAnsi(message)}`);
+      return;
+    }
+    clack.log.warning(message);
+  },
+  error(message: string) {
+    if (isPlainOutput()) {
+      plainWriteErr(`ERROR: ${stripAnsi(message)}`);
+      return;
+    }
+    clack.log.error(message);
+  },
+};
+
+export { isCancel } from "@clack/prompts";
+export { confirm, select, multiselect } from "@clack/prompts";
diff --git a/src/lib/init/clack-utils.ts b/src/lib/init/clack-utils.ts
index d796fd003..a4a8236af 100644
--- a/src/lib/init/clack-utils.ts
+++ b/src/lib/init/clack-utils.ts
@@ -4,7 +4,7 @@
  * Shared helpers for the clack-based init wizard UI.
  */
 
-import { cancel, isCancel } from "@clack/prompts";
+import { cancel, isCancel } from "./clack-plain.js";
 import { terminalLink } from "../formatters/colors.js";
 import { SENTRY_DOCS_URL } from "./constants.js";
 
diff --git a/src/lib/init/formatters.ts b/src/lib/init/formatters.ts
index a7dda1a4a..5e7f5d1d6 100644
--- a/src/lib/init/formatters.ts
+++ b/src/lib/init/formatters.ts
@@ -4,7 +4,7 @@
  * Format wizard results and errors for terminal display using clack.
  */
 
-import { cancel, log, outro } from "@clack/prompts";
+import { cancel, log, outro } from "./clack-plain.js";
 import { terminalLink } from "../formatters/colors.js";
 import { colorTag, mdKvTable, renderMarkdown } from "../formatters/markdown.js";
 import { featureLabel } from "./clack-utils.js";
diff --git a/src/lib/init/git.ts b/src/lib/init/git.ts
index d3f7a4760..3012d8f66 100644
--- a/src/lib/init/git.ts
+++ b/src/lib/init/git.ts
@@ -9,7 +9,7 @@
  * `checkGitStatus` orchestrator (coupled to `@clack/prompts` UI).
  */
 
-import { confirm, isCancel, log } from "@clack/prompts";
+import { confirm, isCancel, log } from "./clack-plain.js";
 import {
   getUncommittedFiles,
   isInsideGitWorkTree as isInsideWorkTree,
diff --git a/src/lib/init/interactive.ts b/src/lib/init/interactive.ts
index 52f39cddf..c18508d51 100644
--- a/src/lib/init/interactive.ts
+++ b/src/lib/init/interactive.ts
@@ -6,7 +6,7 @@
  * Respects --yes flag for non-interactive mode.
  */
 
-import { confirm, log, multiselect, select } from "@clack/prompts";
+import { confirm, log, multiselect, select } from "./clack-plain.js";
 import chalk from "chalk";
 import {
   abortIfCancelled,
diff --git a/src/lib/init/preflight.ts b/src/lib/init/preflight.ts
index ba8a9b16e..fec0a967a 100644
--- a/src/lib/init/preflight.ts
+++ b/src/lib/init/preflight.ts
@@ -1,4 +1,4 @@
-import { cancel, isCancel, log, select } from "@clack/prompts";
+import { cancel, isCancel, log, select } from "./clack-plain.js";
 import type { SentryTeam } from "../../types/index.js";
 import { listOrganizations } from "../api-client.js";
 import { getAuthToken } from "../db/auth.js";
diff --git a/src/lib/init/spinner.ts b/src/lib/init/spinner.ts
index 2491705a7..63bf57737 100644
--- a/src/lib/init/spinner.ts
+++ b/src/lib/init/spinner.ts
@@ -5,6 +5,7 @@ import {
   renderInlineMarkdown,
   stripColorTags,
 } from "../formatters/markdown.js";
+import { isPlainOutput } from "../formatters/plain-detect.js";
 
 const HIDE_CURSOR = "\u001B[?25l";
 const SHOW_CURSOR = "\u001B[?25h";
@@ -108,11 +109,12 @@ export function createWizardSpinner(
     running = true;
     frameIndex = 0;
     message = nextMessage;
-    if (output.isTTY) {
+    const plain = isPlainOutput();
+    if (output.isTTY && !plain) {
       output.write(HIDE_CURSOR);
     }
     renderCurrentFrame();
-    if (output.isTTY) {
+    if (output.isTTY && !plain) {
       timer = setInterval(() => {
         frameIndex = (frameIndex + 1) % SPINNER_FRAMES.length;
         renderCurrentFrame();
@@ -138,7 +140,7 @@ export function createWizardSpinner(
         `${renderInlineMarkdown(formatStoppedBlock(message, code))}\n`
       );
     }
-    if (output.isTTY) {
+    if (output.isTTY && !isPlainOutput()) {
       output.write(SHOW_CURSOR);
     }
   }
diff --git a/src/lib/init/wizard-runner.ts b/src/lib/init/wizard-runner.ts
index caa8d7f85..9ff8e0789 100644
--- a/src/lib/init/wizard-runner.ts
+++ b/src/lib/init/wizard-runner.ts
@@ -8,7 +8,7 @@
 
 import { randomBytes } from "node:crypto";
 import { basename } from "node:path";
-import { cancel, confirm, intro, log } from "@clack/prompts";
+import { cancel, confirm, intro, log } from "./clack-plain.js";
 import { MastraClient } from "@mastra/client-js";
 import { captureException, getTraceData } from "@sentry/node-core/light";
 import { formatBanner } from "../banner.js";
diff --git a/test/lib/init/formatters.test.ts b/test/lib/init/formatters.test.ts
index a306eeaba..80b6cb3bb 100644
--- a/test/lib/init/formatters.test.ts
+++ b/test/lib/init/formatters.test.ts
@@ -23,7 +23,11 @@ const noop = () => {
   /* suppress clack output */
 };
 
+let savedPlainOutput: string | undefined;
+
 beforeEach(() => {
+  savedPlainOutput = process.env.SENTRY_PLAIN_OUTPUT;
+  process.env.SENTRY_PLAIN_OUTPUT = "0";
   logMessageSpy = spyOn(clack.log, "message").mockImplementation(noop);
   outroSpy = spyOn(clack, "outro").mockImplementation(noop);
   cancelSpy = spyOn(clack, "cancel").mockImplementation(noop);
@@ -39,6 +43,11 @@ afterEach(() => {
   logInfoSpy.mockRestore();
   logWarnSpy.mockRestore();
   logErrorSpy.mockRestore();
+  if (savedPlainOutput === undefined) {
+    delete process.env.SENTRY_PLAIN_OUTPUT;
+  } else {
+    process.env.SENTRY_PLAIN_OUTPUT = savedPlainOutput;
+  }
 });
 
 describe("formatResult", () => {
diff --git a/test/lib/init/git.test.ts b/test/lib/init/git.test.ts
index e7adfdfe8..ef6c65b0b 100644
--- a/test/lib/init/git.test.ts
+++ b/test/lib/init/git.test.ts
@@ -19,7 +19,11 @@ let confirmSpy: ReturnType<typeof spyOn>;
 let isCancelSpy: ReturnType<typeof spyOn>;
 let logWarnSpy: ReturnType<typeof spyOn>;
 
+let savedPlainOutput: string | undefined;
+
 beforeEach(() => {
+  savedPlainOutput = process.env.SENTRY_PLAIN_OUTPUT;
+  process.env.SENTRY_PLAIN_OUTPUT = "0";
   isInsideWorkTreeSpy = spyOn(gitLib, "isInsideGitWorkTree");
   getUncommittedFilesSpy = spyOn(gitLib, "getUncommittedFiles");
   confirmSpy = spyOn(clack, "confirm").mockResolvedValue(true);
@@ -35,6 +39,11 @@ afterEach(() => {
   confirmSpy.mockRestore();
   isCancelSpy.mockRestore();
   logWarnSpy.mockRestore();
+  if (savedPlainOutput === undefined) {
+    delete process.env.SENTRY_PLAIN_OUTPUT;
+  } else {
+    process.env.SENTRY_PLAIN_OUTPUT = savedPlainOutput;
+  }
 });
 
 describe("isInsideGitWorkTree", () => {
diff --git a/test/lib/init/interactive.test.ts b/test/lib/init/interactive.test.ts
index f0ff04851..d6c23db0d 100644
--- a/test/lib/init/interactive.test.ts
+++ b/test/lib/init/interactive.test.ts
@@ -34,7 +34,11 @@ function makeOptions(
   };
 }
 
+let savedPlainOutput: string | undefined;
+
 beforeEach(() => {
+  savedPlainOutput = process.env.SENTRY_PLAIN_OUTPUT;
+  process.env.SENTRY_PLAIN_OUTPUT = "0";
   selectSpy = spyOn(clack, "select").mockImplementation(
     () => Promise.resolve("default") as any
   );
@@ -62,6 +66,11 @@ afterEach(() => {
   logWarnSpy.mockRestore();
   cancelSpy.mockRestore();
   isCancelSpy.mockRestore();
+  if (savedPlainOutput === undefined) {
+    delete process.env.SENTRY_PLAIN_OUTPUT;
+  } else {
+    process.env.SENTRY_PLAIN_OUTPUT = savedPlainOutput;
+  }
 });
 
 describe("handleInteractive dispatcher", () => {
diff --git a/test/lib/init/preflight.test.ts b/test/lib/init/preflight.test.ts
index 4828ba6f9..9484d4fa4 100644
--- a/test/lib/init/preflight.test.ts
+++ b/test/lib/init/preflight.test.ts
@@ -43,7 +43,11 @@ let resolveOrCreateTeamSpy: ReturnType<typeof spyOn>;
 let detectDsnSpy: ReturnType<typeof spyOn>;
 let resolveDsnByPublicKeySpy: ReturnType<typeof spyOn>;
 
+let savedPlainOutput: string | undefined;
+
 beforeEach(() => {
+  savedPlainOutput = process.env.SENTRY_PLAIN_OUTPUT;
+  process.env.SENTRY_PLAIN_OUTPUT = "0";
   selectSpy = spyOn(clack, "select").mockResolvedValue("existing");
   isCancelSpy = spyOn(clack, "isCancel").mockImplementation(
     (value: unknown) => value === Symbol.for("cancel")
@@ -98,6 +102,11 @@ afterEach(() => {
   detectDsnSpy.mockRestore();
   resolveDsnByPublicKeySpy.mockRestore();
   process.exitCode = 0;
+  if (savedPlainOutput === undefined) {
+    delete process.env.SENTRY_PLAIN_OUTPUT;
+  } else {
+    process.env.SENTRY_PLAIN_OUTPUT = savedPlainOutput;
+  }
 });
 
 describe("resolveInitContext", () => {
diff --git a/test/lib/init/spinner.test.ts b/test/lib/init/spinner.test.ts
index 4cade8547..2c9352386 100644
--- a/test/lib/init/spinner.test.ts
+++ b/test/lib/init/spinner.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, test } from "bun:test";
+import { afterEach, beforeEach, describe, expect, test } from "bun:test";
 import { Writable } from "node:stream";
 import { createWizardSpinner } from "../../../src/lib/init/spinner.js";
 
@@ -37,7 +37,21 @@ function stripAnsi(value: string): string {
   return value.replace(ANSI_CSI_RE, "").replace(ANSI_OSC_RE, "");
 }
 
+let savedPlainOutput: string | undefined;
+
 describe("createWizardSpinner", () => {
+  beforeEach(() => {
+    savedPlainOutput = process.env.SENTRY_PLAIN_OUTPUT;
+    process.env.SENTRY_PLAIN_OUTPUT = "0";
+  });
+  afterEach(() => {
+    if (savedPlainOutput === undefined) {
+      delete process.env.SENTRY_PLAIN_OUTPUT;
+    } else {
+      process.env.SENTRY_PLAIN_OUTPUT = savedPlainOutput;
+    }
+  });
+
   test("clears upward when repainting a multiline status block", () => {
     const output = new CaptureStream();
     const spin = createWizardSpinner(output as unknown as NodeJS.WriteStream);
diff --git a/test/lib/init/wizard-runner.test.ts b/test/lib/init/wizard-runner.test.ts
index d3f46a09c..5b3f12438 100644
--- a/test/lib/init/wizard-runner.test.ts
+++ b/test/lib/init/wizard-runner.test.ts
@@ -102,7 +102,11 @@ let stderrSpy: ReturnType<typeof spyOn>;
  */
 let capturedClientOptions: { abortSignal?: AbortSignal }[] = [];
 
+let savedPlainOutput: string | undefined;
+
 beforeEach(() => {
+  savedPlainOutput = process.env.SENTRY_PLAIN_OUTPUT;
+  process.env.SENTRY_PLAIN_OUTPUT = "0";
   mockStartResult = { status: "success", result: { platform: "React" } };
   mockResumeResults = [];
   resumeCallCount = 0;
@@ -211,6 +215,11 @@ afterEach(() => {
   stderrSpy.mockRestore();
 
   process.exitCode = 0;
+  if (savedPlainOutput === undefined) {
+    delete process.env.SENTRY_PLAIN_OUTPUT;
+  } else {
+    process.env.SENTRY_PLAIN_OUTPUT = savedPlainOutput;
+  }
 });
 
 describe("runWizard", () => {