From 2a02a54b9db11da172dd7c6dba2df63f8252bd5b Mon Sep 17 00:00:00 2001
From: Sheldon Finlay <sheldon@outerlimitsmedia.com>
Date: Fri, 27 Mar 2026 12:36:56 -0400
Subject: [PATCH] =?UTF-8?q?feat:=20interactive=20mode=20=E2=80=94=20full?=
 =?UTF-8?q?=20CC=20sessions=20visible=20in=20tmux,=20headless=20mode=20via?=
 =?UTF-8?q?=20--headless=20flag?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 loop.sh | 41 ++++++++++++++++++++++++++++++-----------
 1 file changed, 30 insertions(+), 11 deletions(-)

diff --git a/loop.sh b/loop.sh
index 771b9a5..30faffb 100755
--- a/loop.sh
+++ b/loop.sh
@@ -122,6 +122,7 @@ while [[ $# -gt 0 ]]; do
         --tool=*) TOOL="${1#*=}"; shift ;;
         --no-hooks) AUTO_HOOKS=false; shift ;;
         --dry-run) DRY_RUN=true; shift ;;
+        --headless) export LOOP_HEADLESS=true; shift ;;
         --resume) RESUME=true; shift ;;
         --replan) log "ERROR: --replan is not yet implemented. Use /loop-plan interactively."; exit 1 ;;
         [0-9]*) MAX_ITERATIONS="$1"; shift ;;
@@ -186,8 +187,13 @@ if [ -n "$BRANCH" ]; then
 fi
 
 # --- Agent runner ---
-# Runs a prompt through the selected AI tool and captures output.
-# Output is displayed live via tee to /dev/tty (if available) and captured to a temp file.
+# Runs a prompt through the selected AI tool.
+# Two modes:
+#   Interactive (default when TTY available): runs claude in full interactive mode.
+#     The user sees the complete CC session (tool calls, file edits, etc.) in the terminal.
+#     Output is captured via `script` for verdict parsing.
+#   Headless (no TTY or LOOP_HEADLESS=true): uses claude --print for fully autonomous operation.
+#
 # The function prints the captured output to stdout for the caller to capture.
 run_agent() {
     local prompt="$1"
@@ -195,23 +201,29 @@ run_agent() {
     output_file=$(mktemp)
     LOOP_AGENT_TMPFILE="$output_file"  # exposed for trap cleanup
 
-    # Determine whether we can display live output
+    local prompt_file
+    prompt_file=$(mktemp)
+    printf '%s\n' "$prompt" > "$prompt_file"
+
+    # Determine whether we can run interactively
     local has_tty=false
-    if { true > /dev/tty; } 2>/dev/null; then
+    if [ "${LOOP_HEADLESS:-false}" != "true" ] && { true > /dev/tty; } 2>/dev/null; then
         has_tty=true
     fi
 
     # Run in subshell so a non-zero exit from the AI tool doesn't kill the loop.
-    # The subshell inherits set -e but its exit status is captured, not propagated.
     local agent_exit=0
     (
         case "$TOOL" in
             claude)
                 if [ "$has_tty" = true ]; then
-                    printf '%s\n' "$prompt" | timeout "${LOOP_AGENT_TIMEOUT:-600}" \
-                        claude --dangerously-skip-permissions --output-format text \
-                        --print 2>&1 | tee /dev/tty > "$output_file"
+                    # Interactive mode: full CC session visible in terminal.
+                    # Use script to capture output while showing it live.
+                    # The prompt is piped via stdin; claude reads it as the initial message.
+                    script -q "$output_file" \
+                        sh -c "printf '%s\n' \"\$(cat '$prompt_file')\" | claude --dangerously-skip-permissions"
                 else
+                    # Headless mode: --print for autonomous operation
                     printf '%s\n' "$prompt" | timeout "${LOOP_AGENT_TIMEOUT:-600}" \
                         claude --dangerously-skip-permissions --output-format text \
                         --print 2>&1 > "$output_file"
@@ -219,8 +231,8 @@ run_agent() {
                 ;;
             amp)
                 if [ "$has_tty" = true ]; then
-                    printf '%s\n' "$prompt" | timeout "${LOOP_AGENT_TIMEOUT:-600}" \
-                        amp --dangerously-allow-all 2>&1 | tee /dev/tty > "$output_file"
+                    script -q "$output_file" \
+                        sh -c "printf '%s\n' \"\$(cat '$prompt_file')\" | amp --dangerously-allow-all"
                 else
                     printf '%s\n' "$prompt" | timeout "${LOOP_AGENT_TIMEOUT:-600}" \
                         amp --dangerously-allow-all 2>&1 > "$output_file"
@@ -233,11 +245,18 @@ run_agent() {
         esac
     ) || agent_exit=$?
 
+    rm -f "$prompt_file"
+
     if [ "$agent_exit" -ne 0 ] && [ ! -s "$output_file" ]; then
         log "WARNING: Agent exited with code $agent_exit and produced no output."
     fi
 
-    cat "$output_file"
+    # Strip ANSI escape codes for clean verdict parsing
+    if command -v sed &>/dev/null; then
+        sed 's/\x1b\[[0-9;]*[a-zA-Z]//g' "$output_file"
+    else
+        cat "$output_file"
+    fi
     rm -f "$output_file"
     LOOP_AGENT_TMPFILE=""
 }