From 20bfbb939f64b907628866600e07fa1da2aeb60b Mon Sep 17 00:00:00 2001
From: Bryan Helmkamp <bryan@brynary.com>
Date: Fri, 13 Mar 2026 20:43:21 -0400
Subject: [PATCH] Rename Arc to Fabro in user-facing strings, comments, and
 tests

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---
 fabro/workflows/hello/workflow.dot            |  4 ++--
 lib/crates/fabro-api/src/serve.rs             |  2 +-
 lib/crates/fabro-cli/src/doctor.rs            |  4 ++--
 lib/crates/fabro-cli/src/init.rs              | 13 ++++++-----
 lib/crates/fabro-cli/src/install.rs           | 11 +++++-----
 lib/crates/fabro-cli/src/main.rs              |  6 ++---
 lib/crates/fabro-exe/src/lib.rs               |  2 +-
 .../fabro-llm/src/providers/fabro_server.rs   | 10 ++++-----
 lib/crates/fabro-ssh/src/lib.rs               |  2 +-
 lib/crates/fabro-util/src/telemetry/git.rs    |  2 +-
 lib/crates/fabro-util/src/telemetry/sender.rs |  2 +-
 lib/crates/fabro-workflows/src/cli/pr.rs      |  4 ++--
 .../fabro-workflows/src/cli/project_config.rs |  2 +-
 lib/crates/fabro-workflows/src/cli/run.rs     |  8 +++----
 .../fabro-workflows/src/cli/run_config.rs     |  8 +++----
 .../fabro-workflows/src/daytona_sandbox.rs    |  4 ++--
 .../fabro-workflows/src/pull_request.rs       | 22 +++++++++----------
 .../fabro-workflows/src/validation/rules.rs   |  4 ++--
 .../fabro-workflows/tests/cp_integration.rs   |  2 +-
 .../tests/daytona_integration.rs              | 12 +++++-----
 20 files changed, 64 insertions(+), 60 deletions(-)

diff --git a/fabro/workflows/hello/workflow.dot b/fabro/workflows/hello/workflow.dot
index 7b991ad6a..e6915a19e 100644
--- a/fabro/workflows/hello/workflow.dot
+++ b/fabro/workflows/hello/workflow.dot
@@ -1,11 +1,11 @@
 digraph Hello {
-    graph [goal="Say hello and demonstrate a basic arc workflow"]
+    graph [goal="Say hello and demonstrate a basic Fabro workflow"]
     rankdir=LR
 
     start [shape=Mdiamond, label="Start"]
     exit  [shape=Msquare, label="Exit"]
 
-    greet [label="Greet", prompt="Say hello! Introduce yourself and explain that this is a test of the arc workflow engine."]
+    greet [label="Greet", prompt="Say hello! Introduce yourself and explain that this is a test of the fabro workflow engine."]
 
     start -> greet -> exit
 }
diff --git a/lib/crates/fabro-api/src/serve.rs b/lib/crates/fabro-api/src/serve.rs
index f8209dd50..bc61a4de6 100644
--- a/lib/crates/fabro-api/src/serve.rs
+++ b/lib/crates/fabro-api/src/serve.rs
@@ -160,7 +160,7 @@ pub async fn serve_command(args: ServeArgs, styles: &'static Styles) -> anyhow::
     eprintln!(
         "{}",
         styles.bold.apply_to(format!(
-            "Arc server listening on {}",
+            "Fabro server listening on {}",
             styles.cyan.apply_to(&addr)
         )),
     );
diff --git a/lib/crates/fabro-cli/src/doctor.rs b/lib/crates/fabro-cli/src/doctor.rs
index 8c352e869..83fbb2c61 100644
--- a/lib/crates/fabro-cli/src/doctor.rs
+++ b/lib/crates/fabro-cli/src/doctor.rs
@@ -565,7 +565,7 @@ pub fn check_api(status: &ApiStatus, live_result: Option<&Result<(), String>>) -
     );
 
     CheckResult {
-        name: "Arc API".to_string(),
+        name: "Fabro API".to_string(),
         status: check_status,
         summary: status.base_url.clone(),
         details,
@@ -609,7 +609,7 @@ pub fn check_web(status: &WebStatus, live_result: Option<&Result<(), String>>) -
     );
 
     CheckResult {
-        name: "Arc Web".to_string(),
+        name: "Fabro Web".to_string(),
         status: check_status,
         summary: status.url.clone(),
         details,
diff --git a/lib/crates/fabro-cli/src/init.rs b/lib/crates/fabro-cli/src/init.rs
index e82b25519..3bb1825eb 100644
--- a/lib/crates/fabro-cli/src/init.rs
+++ b/lib/crates/fabro-cli/src/init.rs
@@ -63,13 +63,13 @@ root = \"fabro/\"
     std::fs::write(
         &dot_path,
         r#"digraph Hello {
-    graph [goal="Say hello and demonstrate a basic arc workflow"]
+    graph [goal="Say hello and demonstrate a basic Fabro workflow"]
     rankdir=LR
 
     start [shape=Mdiamond, label="Start"]
     exit  [shape=Msquare, label="Exit"]
 
-    greet [label="Greet", prompt="Say hello! Introduce yourself and explain that this is a test of the arc workflow engine."]
+    greet [label="Greet", prompt="Say hello! Introduce yourself and explain that this is a test of the Fabro workflow engine."]
 
     start -> greet -> exit
 }
@@ -101,7 +101,7 @@ root = \"fabro/\"
         console::Style::new()
             .cyan()
             .bold()
-            .apply_to("arc run hello")
+            .apply_to("fabro run hello")
     );
 
     check_github_app_installation().await;
@@ -126,7 +126,7 @@ async fn check_github_app_installation() {
             eprintln!(
                 "  {}",
                 dim.apply_to(
-                    "Run `git remote add origin <url>` then `arc install` to set up the GitHub App"
+                    "Run `git remote add origin <url>` then `fabro install` to set up the GitHub App"
                 )
             );
             return;
@@ -156,7 +156,10 @@ async fn check_github_app_installation() {
         None => {
             eprintln!(
                 "\n  Run {} to set up the GitHub App",
-                console::Style::new().cyan().bold().apply_to("arc install")
+                console::Style::new()
+                    .cyan()
+                    .bold()
+                    .apply_to("fabro install")
             );
             return;
         }
diff --git a/lib/crates/fabro-cli/src/install.rs b/lib/crates/fabro-cli/src/install.rs
index 41d76ee4a..fb83fdef2 100644
--- a/lib/crates/fabro-cli/src/install.rs
+++ b/lib/crates/fabro-cli/src/install.rs
@@ -116,7 +116,7 @@ fn generate_mtls_certs(dir: &Path) -> Result<()> {
             "-days",
             "3650",
             "-subj",
-            "/CN=Arc CA",
+            "/CN=Fabro CA",
         ],
         "generate CA cert",
     )?;
@@ -426,7 +426,7 @@ async fn setup_github_app(arc_dir: &Path, s: &Styles) -> Result<Vec<(String, Str
 <html>
 <head>
 <meta charset="utf-8">
-<title>Arc Setup</title>
+<title>Fabro Setup</title>
 <style>
   body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif; display: flex; justify-content: center; align-items: center; min-height: 100vh; margin: 0; background: #f6f8fa; color: #1f2328; }
   .card { text-align: center; background: #fff; border: 1px solid #d1d9e0; border-radius: 12px; padding: 48px; max-width: 420px; }
@@ -883,7 +883,7 @@ pub async fn run_install() -> Result<()> {
 
         eprintln!("  To start Arc, run these commands:");
         eprintln!();
-        eprintln!("    arc serve");
+        eprintln!("    fabro serve");
         eprintln!("    cd apps/fabro-web && npx react-router dev");
         eprintln!();
     }
@@ -891,7 +891,8 @@ pub async fn run_install() -> Result<()> {
     // Verify setup
     let env_path = arc_dir.join(".env");
     let run_doctor =
-        tokio::task::spawn_blocking(|| prompt_confirm("Run arc doctor to verify?", true)).await??;
+        tokio::task::spawn_blocking(|| prompt_confirm("Run fabro doctor to verify?", true))
+            .await??;
 
     if run_doctor {
         // Reload .env so doctor sees the values we just wrote
@@ -903,7 +904,7 @@ pub async fn run_install() -> Result<()> {
     eprintln!();
     eprintln!(
         "  Setup complete! Go to your project and run {} to get started.",
-        s.bold_cyan.apply_to("arc init")
+        s.bold_cyan.apply_to("fabro init")
     );
     Ok(())
 }
diff --git a/lib/crates/fabro-cli/src/main.rs b/lib/crates/fabro-cli/src/main.rs
index 417e241ac..378171013 100644
--- a/lib/crates/fabro-cli/src/main.rs
+++ b/lib/crates/fabro-cli/src/main.rs
@@ -99,9 +99,9 @@ enum Command {
         #[arg(long)]
         dry_run: bool,
     },
-    /// Initialize a new arc project
+    /// Initialize a new project
     Init,
-    /// Set up the Arc environment (LLMs, certs, GitHub)
+    /// Set up the Fabro environment (LLMs, certs, GitHub)
     Install,
     /// List workflow runs
     #[command(hide = true)]
@@ -457,7 +457,7 @@ async fn main_inner() -> (String, Result<()>) {
                                 vec![],
                             );
                             client.register_provider(adapter).await.map_err(|e| {
-                                anyhow::anyhow!("Failed to register arc server adapter: {e}")
+                                anyhow::anyhow!("Failed to register fabro server adapter: {e}")
                             })?;
                             fabro_agent::cli::run_with_args_and_client(
                                 args,
diff --git a/lib/crates/fabro-exe/src/lib.rs b/lib/crates/fabro-exe/src/lib.rs
index f77b20907..74efc9cd4 100644
--- a/lib/crates/fabro-exe/src/lib.rs
+++ b/lib/crates/fabro-exe/src/lib.rs
@@ -153,7 +153,7 @@ impl ExeSandbox {
     }
 
     /// Create an `ExeSandbox` from a pre-connected data-plane SSH runner.
-    /// Used for reconnection (e.g. `arc cp`) when the VM already exists.
+    /// Used for reconnection (e.g. `fabro cp`) when the VM already exists.
     pub fn from_existing(data_ssh: Box<dyn SshRunner>) -> Self {
         let data_cell = tokio::sync::OnceCell::new();
         let _ = data_cell.set(data_ssh);
diff --git a/lib/crates/fabro-llm/src/providers/fabro_server.rs b/lib/crates/fabro-llm/src/providers/fabro_server.rs
index 07cb0a2f3..62e66fa2d 100644
--- a/lib/crates/fabro-llm/src/providers/fabro_server.rs
+++ b/lib/crates/fabro-llm/src/providers/fabro_server.rs
@@ -4,7 +4,7 @@ use crate::providers::common::LineReader;
 use crate::types::{FinishReason, Message, Request, Response, StreamEvent, Usage};
 use tracing::{debug, error};
 
-/// Provider adapter that routes LLM requests through an arc server's
+/// Provider adapter that routes LLM requests through an fabro server's
 /// `/completions` endpoint, delegating to whatever real provider the server
 /// is configured with.
 pub struct Adapter {
@@ -91,12 +91,12 @@ async fn send_request(
     })?;
 
     let status = http_resp.status();
-    debug!(status = %status, "Arc server response received");
+    debug!(status = %status, "Fabro server response received");
 
     if !status.is_success() {
         let status_code = status.as_u16();
         let body = http_resp.text().await.unwrap_or_default();
-        error!(status = %status_code, body = %body, "Arc server request failed");
+        error!(status = %status_code, body = %body, "Fabro server request failed");
         return Err(error_from_status_code(
             status_code,
             body,
@@ -122,7 +122,7 @@ impl ProviderAdapter for Adapter {
 
     async fn complete(&self, request: &Request) -> Result<Response, SdkError> {
         let url = format!("{}/completions", self.base_url);
-        debug!(base_url = %url, provider = %self.provider_name, "Sending completion to arc server");
+        debug!(base_url = %url, provider = %self.provider_name, "Sending completion to fabro server");
 
         let body = build_body(request, false)?;
         let http_resp = send_request(&self.client, &url, &body, &self.provider_name).await?;
@@ -159,7 +159,7 @@ impl ProviderAdapter for Adapter {
 
     async fn stream(&self, request: &Request) -> Result<StreamEventStream, SdkError> {
         let url = format!("{}/completions", self.base_url);
-        debug!(base_url = %url, provider = %self.provider_name, "Sending completion to arc server");
+        debug!(base_url = %url, provider = %self.provider_name, "Sending completion to fabro server");
 
         let body = build_body(request, true)?;
         let http_resp = send_request(&self.client, &url, &body, &self.provider_name).await?;
diff --git a/lib/crates/fabro-ssh/src/lib.rs b/lib/crates/fabro-ssh/src/lib.rs
index 636e713d5..d5c5bac7a 100644
--- a/lib/crates/fabro-ssh/src/lib.rs
+++ b/lib/crates/fabro-ssh/src/lib.rs
@@ -106,7 +106,7 @@ impl SshSandbox {
     }
 
     /// Create an `SshSandbox` from a pre-connected SSH runner.
-    /// Used for reconnection (e.g. `arc cp`) when the host is already known.
+    /// Used for reconnection (e.g. `fabro cp`) when the host is already known.
     pub fn from_existing(ssh: Box<dyn SshRunner>, config: SshConfig) -> Self {
         let ssh_cell = tokio::sync::OnceCell::new();
         let _ = ssh_cell.set(ssh);
diff --git a/lib/crates/fabro-util/src/telemetry/git.rs b/lib/crates/fabro-util/src/telemetry/git.rs
index 860cbbaa6..791fe9f1b 100644
--- a/lib/crates/fabro-util/src/telemetry/git.rs
+++ b/lib/crates/fabro-util/src/telemetry/git.rs
@@ -84,7 +84,7 @@ mod tests {
 
     #[test]
     fn repository_identifier_returns_hash_in_arc_repo() {
-        // We're running inside the arc repo, so this should return a real hash
+        // We're running inside the fabro repo, so this should return a real hash
         let id = repository_identifier();
         assert_ne!(id, "no_repo");
         assert_ne!(id, "no_remote");
diff --git a/lib/crates/fabro-util/src/telemetry/sender.rs b/lib/crates/fabro-util/src/telemetry/sender.rs
index 10fd296cc..a6b10dc14 100644
--- a/lib/crates/fabro-util/src/telemetry/sender.rs
+++ b/lib/crates/fabro-util/src/telemetry/sender.rs
@@ -7,7 +7,7 @@ const SEGMENT_API_URL: &str = "https://api.segment.io/v1/track";
 const SEGMENT_WRITE_KEY: Option<&str> = option_env!("SEGMENT_WRITE_KEY");
 
 /// Serializes the track event to a temp file and spawns a detached subprocess
-/// (`arc __send_analytics <path>`) to deliver it. This ensures the event is
+/// (`fabro __send_analytics <path>`) to deliver it. This ensures the event is
 /// sent even if the parent CLI process exits immediately.
 ///
 /// No-ops if the SEGMENT_WRITE_KEY was not set at compile time.
diff --git a/lib/crates/fabro-workflows/src/cli/pr.rs b/lib/crates/fabro-workflows/src/cli/pr.rs
index dccbdef07..d60a8e7d5 100644
--- a/lib/crates/fabro-workflows/src/cli/pr.rs
+++ b/lib/crates/fabro-workflows/src/cli/pr.rs
@@ -53,7 +53,7 @@ fn load_pr_record(base: &Path, run_id: &str) -> Result<(PullRequestRecord, PathB
     let content = std::fs::read_to_string(&pr_path).with_context(|| {
         format!(
             "No pull_request.json found in run directory. \
-             Create one first with: arc pr create {run_id}"
+             Create one first with: fabro pr create {run_id}"
         )
     })?;
     let record: PullRequestRecord =
@@ -495,7 +495,7 @@ mod tests {
         let err = load_pr_record(tmp.path(), "abc123").unwrap_err();
         let msg = err.to_string();
         assert!(msg.contains("pull_request.json"), "got: {msg}");
-        assert!(msg.contains("arc pr create"), "got: {msg}");
+        assert!(msg.contains("fabro pr create"), "got: {msg}");
     }
 
     #[test]
diff --git a/lib/crates/fabro-workflows/src/cli/project_config.rs b/lib/crates/fabro-workflows/src/cli/project_config.rs
index 30dede6b1..e552658f4 100644
--- a/lib/crates/fabro-workflows/src/cli/project_config.rs
+++ b/lib/crates/fabro-workflows/src/cli/project_config.rs
@@ -201,7 +201,7 @@ pub fn is_retro_enabled() -> bool {
     }
 }
 
-/// Resolve the arc root directory from a config file path and its config.
+/// Resolve the fabro root directory from a config file path and its config.
 /// The returned path is the directory containing `fabro.toml` joined with the `root` value.
 pub fn resolve_fabro_root(config_path: &Path, config: &ProjectConfig) -> PathBuf {
     let project_dir = config_path
diff --git a/lib/crates/fabro-workflows/src/cli/run.rs b/lib/crates/fabro-workflows/src/cli/run.rs
index 2d1235eb8..a57ef1f45 100644
--- a/lib/crates/fabro-workflows/src/cli/run.rs
+++ b/lib/crates/fabro-workflows/src/cli/run.rs
@@ -736,7 +736,7 @@ pub async fn run_command(
         None
     };
 
-    // Wrap emitter in Arc now so we can share it with exec env callbacks
+    // Wrap emitter in Fabro now so we can share it with exec env callbacks
     let emitter = Arc::new(emitter);
 
     let sandbox: Arc<dyn Sandbox> = match sandbox_provider {
@@ -830,7 +830,7 @@ pub async fn run_command(
         .expect("progress lock poisoned")
         .set_working_directory(sandbox.working_directory().to_string());
 
-    // Persist sandbox connection info for `arc cp`
+    // Persist sandbox connection info for `fabro cp`
     {
         let sandbox_info_opt = {
             let info = sandbox.sandbox_info();
@@ -1192,7 +1192,7 @@ pub async fn run_command(
     };
     let run_duration_ms = run_start.elapsed().as_millis() as u64;
 
-    // Restore cwd (worktree is kept for `arc cp` access; pruned separately)
+    // Restore cwd (worktree is kept for `fabro cp` access; pruned separately)
     let _ = std::env::set_current_dir(&original_cwd);
 
     {
@@ -1790,7 +1790,7 @@ async fn run_from_branch(
         .await;
     let run_duration_ms = run_start.elapsed().as_millis() as u64;
 
-    // Restore cwd (worktree is kept for `arc cp` access; pruned separately)
+    // Restore cwd (worktree is kept for `fabro cp` access; pruned separately)
     let _ = std::env::set_current_dir(&original_cwd);
     let _ = sandbox.cleanup().await;
 
diff --git a/lib/crates/fabro-workflows/src/cli/run_config.rs b/lib/crates/fabro-workflows/src/cli/run_config.rs
index 8a4d2cdd4..05d2d7eac 100644
--- a/lib/crates/fabro-workflows/src/cli/run_config.rs
+++ b/lib/crates/fabro-workflows/src/cli/run_config.rs
@@ -578,7 +578,7 @@ provider = "daytona"
 auto_stop_interval = 60
 
 [sandbox.daytona.labels]
-project = "arc"
+project = "fabro"
 
 [sandbox.daytona.snapshot]
 name = "my-snapshot"
@@ -594,7 +594,7 @@ dockerfile = "FROM rust:1.85-slim-bookworm\nRUN apt-get update"
         let daytona = sandbox.daytona.unwrap();
         assert_eq!(daytona.auto_stop_interval, Some(60));
         let labels = daytona.labels.unwrap();
-        assert_eq!(labels["project"], "arc");
+        assert_eq!(labels["project"], "fabro");
 
         let snapshot = daytona.snapshot.unwrap();
         assert_eq!(snapshot.name, "my-snapshot");
@@ -1234,7 +1234,7 @@ goal = "test"
 graph = "w.dot"
 
 [sandbox.daytona.labels]
-project = "arc"
+project = "fabro"
 env = "from_task"
 "#,
         )
@@ -1261,7 +1261,7 @@ env = "from_task"
         };
         cfg.apply_defaults(&defaults);
         let labels = cfg.sandbox.unwrap().daytona.unwrap().labels.unwrap();
-        assert_eq!(labels["project"], "arc");
+        assert_eq!(labels["project"], "fabro");
         assert_eq!(labels["team"], "platform");
         assert_eq!(labels["env"], "from_task");
     }
diff --git a/lib/crates/fabro-workflows/src/daytona_sandbox.rs b/lib/crates/fabro-workflows/src/daytona_sandbox.rs
index 685e2dda1..2343dab0a 100644
--- a/lib/crates/fabro-workflows/src/daytona_sandbox.rs
+++ b/lib/crates/fabro-workflows/src/daytona_sandbox.rs
@@ -189,7 +189,7 @@ impl DaytonaSandbox {
     }
 
     /// Create a `DaytonaSandbox` from an already-existing Daytona SDK sandbox.
-    /// Used for reconnection (e.g. `arc cp`).
+    /// Used for reconnection (e.g. `fabro cp`).
     #[must_use]
     pub fn from_existing(client: daytona_sdk::Client, sdk_sandbox: daytona_sdk::Sandbox) -> Self {
         let sandbox_cell = tokio::sync::OnceCell::new();
@@ -694,7 +694,7 @@ impl Sandbox for DaytonaSandbox {
                     Err(e) if self.github_app.is_none() => {
                         let err = format!(
                             "Git clone failed: {e}. If this is a private repository, \
-                             configure a GitHub App with `arc install` and install it \
+                             configure a GitHub App with `fabro install` and install it \
                              for your organization."
                         );
                         self.emit(SandboxEvent::GitCloneFailed {
diff --git a/lib/crates/fabro-workflows/src/pull_request.rs b/lib/crates/fabro-workflows/src/pull_request.rs
index dbe55867d..9e8649847 100644
--- a/lib/crates/fabro-workflows/src/pull_request.rs
+++ b/lib/crates/fabro-workflows/src/pull_request.rs
@@ -117,13 +117,13 @@ fn format_retro_section(retro: &Retro) -> String {
     parts.join("\n")
 }
 
-/// Format the Arc Details section of the PR body.
+/// Format the Fabro Details section of the PR body.
 ///
 /// Renders a cost/duration table in a collapsible `<details>` block, and
 /// optionally a DOT graph in another `<details>` block.
 fn format_arc_details_section(conclusion: &Conclusion, dot_source: Option<&str>) -> String {
     let mut parts = Vec::new();
-    parts.push("### Arc Details".to_string());
+    parts.push("### Fabro Details".to_string());
     parts.push(String::new());
 
     // Cost table
@@ -263,7 +263,7 @@ fn assemble_pr_body(
 }
 
 /// Build a complete PR body by combining LLM-generated narrative with
-/// programmatic sections (plan, retro, arc details).
+/// programmatic sections (plan, retro, fabro details).
 pub async fn build_pr_body(
     diff: &str,
     goal: &str,
@@ -569,7 +569,7 @@ mod tests {
         let conclusion = make_test_conclusion();
         let section = format_arc_details_section(&conclusion, None);
 
-        assert!(section.contains("### Arc Details"));
+        assert!(section.contains("### Fabro Details"));
         assert!(section.contains("Ran 3 stages in 2m 30s for $0.42"));
         assert!(section.contains("| plan | 45s | $0.12 | 0 |"));
         assert!(section.contains("| implement | 1m 30s | $0.25 | 0 |"));
@@ -652,7 +652,7 @@ mod tests {
             "This is the narrative.\n\n### Plan Summary\n\n* Step 1\n* Step 2",
             Some("Full plan text here"),
             "### Retro\n\n* 3 stages completed",
-            "### Arc Details\n\n<details>...</details>",
+            "### Fabro Details\n\n<details>...</details>",
         );
 
         assert!(body.contains("This is the narrative."));
@@ -660,7 +660,7 @@ mod tests {
         assert!(body.contains("<details>\n<summary>Full plan</summary>"));
         assert!(body.contains("````md\nFull plan text here\n````"));
         assert!(body.contains("### Retro"));
-        assert!(body.contains("### Arc Details"));
+        assert!(body.contains("### Fabro Details"));
     }
 
     #[test]
@@ -669,13 +669,13 @@ mod tests {
             "Narrative only.",
             None,
             "### Retro\n\n* stats",
-            "### Arc Details\n\n<details>...</details>",
+            "### Fabro Details\n\n<details>...</details>",
         );
 
         assert!(body.contains("Narrative only."));
         assert!(!body.contains("Full plan"));
         assert!(body.contains("### Retro"));
-        assert!(body.contains("### Arc Details"));
+        assert!(body.contains("### Fabro Details"));
     }
 
     #[test]
@@ -686,7 +686,7 @@ mod tests {
         assert!(body.contains("Full plan"));
         // Empty sections should not produce extra headers
         assert!(!body.contains("### Retro"));
-        assert!(!body.contains("### Arc Details"));
+        assert!(!body.contains("### Fabro Details"));
     }
 
     #[test]
@@ -705,7 +705,7 @@ mod tests {
         let arc_details = format_arc_details_section(&conclusion, None);
         let body = assemble_pr_body("Narrative.", None, "", &arc_details);
 
-        assert!(body.contains("### Arc Details"));
+        assert!(body.contains("### Fabro Details"));
         assert!(body.contains("Ran 3 stages"));
         assert!(!body.contains("### Retro"));
     }
@@ -719,7 +719,7 @@ mod tests {
         let body = assemble_pr_body("Narrative.", None, &retro_section, &arc_details);
 
         assert!(body.contains("### Retro"));
-        assert!(body.contains("### Arc Details"));
+        assert!(body.contains("### Fabro Details"));
     }
 
     // ── parse_dot_summary tests ─────────────────────────────────────────
diff --git a/lib/crates/fabro-workflows/src/validation/rules.rs b/lib/crates/fabro-workflows/src/validation/rules.rs
index 7f247e8cc..91821c907 100644
--- a/lib/crates/fabro-workflows/src/validation/rules.rs
+++ b/lib/crates/fabro-workflows/src/validation/rules.rs
@@ -935,12 +935,12 @@ impl LintRule for StylesheetModelKnownRule {
                                 rule: self.name().to_string(),
                                 severity: Severity::Warning,
                                 message: format!(
-                                    "Unknown model '{}' in stylesheet rule '{label}'. Run `arc model list` to see available models",
+                                    "Unknown model '{}' in stylesheet rule '{label}'. Run `fabro model list` to see available models",
                                     decl.value
                                 ),
                                 node_id: None,
                                 edge: None,
-                                fix: Some("Use a model ID from `arc model list`".to_string()),
+                                fix: Some("Use a model ID from `fabro model list`".to_string()),
                             });
                         }
                     }
diff --git a/lib/crates/fabro-workflows/tests/cp_integration.rs b/lib/crates/fabro-workflows/tests/cp_integration.rs
index 11099c015..9d4bd4900 100644
--- a/lib/crates/fabro-workflows/tests/cp_integration.rs
+++ b/lib/crates/fabro-workflows/tests/cp_integration.rs
@@ -1,4 +1,4 @@
-//! E2E tests for `arc cp` against local and Docker sandbox backends.
+//! E2E tests for `fabro cp` against local and Docker sandbox backends.
 //!
 //! Local tests run without `#[ignore]` (no external dependencies).
 //! Docker tests require a Docker daemon and are marked `#[ignore]`.
diff --git a/lib/crates/fabro-workflows/tests/daytona_integration.rs b/lib/crates/fabro-workflows/tests/daytona_integration.rs
index 3227ef2b6..3c0671d00 100644
--- a/lib/crates/fabro-workflows/tests/daytona_integration.rs
+++ b/lib/crates/fabro-workflows/tests/daytona_integration.rs
@@ -1419,7 +1419,7 @@ async fn daytona_clone_private_repo_with_github_app_iat() {
         );
     }
 
-    // Verify this is actually the arc repo
+    // Verify this is actually the fabro repo
     let result = env
         .exec_command("git remote get-url origin", 10_000, None, None, None)
         .await
@@ -1441,7 +1441,7 @@ async fn daytona_clone_public_repo_gets_credentials() {
     let creds = load_github_app_credentials();
 
     // Directly test resolve_clone_credentials against a repo in an org where the app is installed
-    let (username, password) = fabro_github::resolve_clone_credentials(&creds, "brynary", "arc")
+    let (username, password) = fabro_github::resolve_clone_credentials(&creds, "fabro-sh", "fabro")
         .await
         .unwrap();
 
@@ -1749,7 +1749,7 @@ async fn daytona_toolbox_idle_diagnostic() {
     env.cleanup().await.unwrap();
 }
 
-/// E2E test for `arc cp` against a live Daytona sandbox.
+/// E2E test for `fabro cp` against a live Daytona sandbox.
 ///
 /// Creates a sandbox, saves a SandboxRecord, reconnects via `cp::reconnect`,
 /// uploads a file, downloads it back, and verifies the round-trip.
@@ -1769,7 +1769,7 @@ async fn daytona_cp_upload_download_round_trip() {
         "sandbox_info() should return the Daytona sandbox name"
     );
 
-    // 2. Build a SandboxRecord (same as `arc run` would persist)
+    // 2. Build a SandboxRecord (same as `fabro run` would persist)
     let record = SandboxRecord {
         provider: "daytona".to_string(),
         working_directory: env.working_directory().to_string(),
@@ -1791,7 +1791,7 @@ async fn daytona_cp_upload_download_round_trip() {
     let reconnected = reconnect(&loaded).await.expect("reconnect should succeed");
 
     // 5. Upload: write a local file, then upload it to the sandbox
-    let upload_content = b"hello from arc cp e2e test\n";
+    let upload_content = b"hello from fabro cp e2e test\n";
     let local_upload = tmp.path().join("upload.txt");
     std::fs::write(&local_upload, upload_content).unwrap();
 
@@ -1810,7 +1810,7 @@ async fn daytona_cp_upload_download_round_trip() {
         .await
         .unwrap();
     assert!(
-        remote_content.contains("hello from arc cp e2e test"),
+        remote_content.contains("hello from fabro cp e2e test"),
         "expected uploaded content in sandbox, got: {remote_content}"
     );