diff --git a/server/src/session/claude.rs b/server/src/session/claude.rs
index 42d4896..39b7482 100644
--- a/server/src/session/claude.rs
+++ b/server/src/session/claude.rs
@@ -360,6 +360,31 @@ impl ClaudeDriver {
             None => push("--name", &meta.title),
         }
         args.push("--include-partial-messages".to_string());
+        // Makes `bypassPermissions` *reachable*, without selecting it: the
+        // session still starts in whatever mode was asked for above, and
+        // only moves if somebody moves it.
+        //
+        // Here because the CLI is asymmetric about that mode, which is not
+        // obvious and cost a confused bug report. It will *launch* in
+        // `bypassPermissions` on the strength of `--permission-mode` alone
+        // -- so spawning straight into it from the phone has always worked
+        // -- but it refuses to *switch* into it later:
+        //
+        //     Cannot set permission mode to bypassPermissions because the
+        //     session was not launched with --dangerously-skip-permissions
+        //
+        // So the phone's own mode picker offered a mode that could not be
+        // picked, on every session it had not been given at birth. Since
+        // the mode is already reachable at spawn, this grants nothing that
+        // was being withheld; it makes the two routes to it agree.
+        //
+        // Measured against 2.1.237, both ways round: without this flag the
+        // control request comes back `subtype: error` with the message
+        // above, and with it `subtype: success, mode: bypassPermissions`.
+        // Note it is the `--allow-` form -- `--dangerously-skip-permissions`
+        // is the one that turns it on for everything, and that would take
+        // the choice away from whoever is holding the phone.
+        args.push("--allow-dangerously-skip-permissions".to_string());
 
         // Fresh logs, because the offsets that index them start at zero
         // and everything the previous process said is already in the