From 690b4851ea0afd8b214ddaa5450eec3a8c3a7ec9 Mon Sep 17 00:00:00 2001
From: main <main@swarm.moe>
Date: Tue, 24 Mar 2026 01:19:25 -0400
Subject: Share live Claude credentials with sandbox

---
 crates/phone-opus/src/mcp/service.rs | 42 +++++++++++++++++++++++++++++++++---
 1 file changed, 39 insertions(+), 3 deletions(-)

(limited to 'crates/phone-opus/src/mcp/service.rs')

diff --git a/crates/phone-opus/src/mcp/service.rs b/crates/phone-opus/src/mcp/service.rs
index 64cb778..d958a81 100644
--- a/crates/phone-opus/src/mcp/service.rs
+++ b/crates/phone-opus/src/mcp/service.rs
@@ -1,6 +1,8 @@
 use std::collections::{BTreeMap, BTreeSet};
 use std::fs;
 use std::io::{self, BufRead, Write};
+#[cfg(unix)]
+use std::os::unix::fs::symlink;
 use std::path::{Path, PathBuf};
 use std::process::{Command, Stdio};
 use std::time::{Duration, Instant, SystemTime, UNIX_EPOCH};
@@ -543,8 +545,7 @@ const CONSULT_OUTPUT_KEEP_COUNT: usize = 256;
 const CONSULT_OUTPUT_MAX_AGE: Duration = Duration::from_secs(7 * 24 * 60 * 60);
 const CONSULT_TIMESTAMP_FORMAT: &[time::format_description::FormatItem<'static>] =
     time::macros::format_description!("[year][month][day]T[hour][minute][second]Z");
-const CLAUDE_SEED_FILES: [&str; 5] = [
-    ".credentials.json",
+const CLAUDE_MIRROR_FILES: [&str; 4] = [
     "settings.json",
     "settings.local.json",
     ".claude/settings.local.json",
@@ -622,15 +623,24 @@ impl ClaudeSandbox {
         self.source_home.join(".claude")
     }
 
+    fn source_credentials_path(&self) -> PathBuf {
+        self.source_claude_dir().join(".credentials.json")
+    }
+
+    fn destination_credentials_path(&self) -> PathBuf {
+        self.claude_config_dir().join(".credentials.json")
+    }
+
     fn sync_seed_claude_files(&self) -> io::Result<()> {
         let source_root = self.source_claude_dir();
         let destination_root = self.claude_config_dir();
-        for relative in CLAUDE_SEED_FILES {
+        for relative in CLAUDE_MIRROR_FILES {
             sync_optional_seed_file(
                 source_root.join(relative).as_path(),
                 destination_root.join(relative).as_path(),
             )?;
         }
+        self.sync_live_credentials()?;
         Ok(())
     }
 
@@ -653,6 +663,9 @@ impl ClaudeSandbox {
     fn read_write_paths(&self) -> BTreeSet<PathBuf> {
         let mut paths = BTreeSet::new();
         let _ = paths.insert(self.state_root.clone());
+        if self.source_credentials_path().exists() {
+            let _ = paths.insert(self.source_credentials_path());
+        }
         for root in SHARED_TMP_ROOTS {
             let _ = paths.insert(PathBuf::from(root));
         }
@@ -700,6 +713,20 @@ impl ClaudeSandbox {
         }
         environment
     }
+
+    fn sync_live_credentials(&self) -> io::Result<()> {
+        let source = self.source_credentials_path();
+        let destination = self.destination_credentials_path();
+        if !source.exists() {
+            remove_optional_path(destination.as_path())?;
+            return Ok(());
+        }
+        if fs::read_link(destination.as_path()).ok().as_ref() == Some(&source) {
+            return Ok(());
+        }
+        remove_optional_path(destination.as_path())?;
+        symlink(source.as_path(), destination.as_path())
+    }
 }
 
 #[derive(Debug, Clone)]
@@ -1329,6 +1356,15 @@ fn sync_optional_seed_file(source: &Path, destination: &Path) -> io::Result<()>
     Ok(())
 }
 
+fn remove_optional_path(path: &Path) -> io::Result<()> {
+    match fs::symlink_metadata(path) {
+        Ok(metadata) if metadata.is_dir() => fs::remove_dir_all(path),
+        Ok(_) => fs::remove_file(path),
+        Err(error) if error.kind() == io::ErrorKind::NotFound => Ok(()),
+        Err(error) => Err(error),
+    }
+}
+
 fn write_bytes_file(path: &Path, bytes: &[u8]) -> io::Result<()> {
     let parent = path.parent().ok_or_else(|| {
         io::Error::new(
-- 
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