diff --git a/.github/workflows/cua-smoke.yml b/.github/workflows/cua-smoke.yml
index 9b0aeb2..f876369 100644
--- a/.github/workflows/cua-smoke.yml
+++ b/.github/workflows/cua-smoke.yml
@@ -18,7 +18,15 @@ jobs:
     env:
       AZURE_OPENAI_API_KEY: ${{ secrets.AZURE_OPENAI_API_KEY }}
       AZURE_OPENAI_ENDPOINT: ${{ secrets.AZURE_OPENAI_ENDPOINT }}
+      # CUA driver uses chat-completions; 2024-08-01-preview is sufficient.
       AZURE_OPENAI_API_VERSION: "2024-08-01-preview"
+      # opencode's @ai-sdk/azure provider hits the new /openai/v1/responses
+      # endpoint. That endpoint accepts ONLY api-version=preview or v1 — every
+      # date-based value (2024-*-preview, 2025-*-preview, 2025-04-01-preview)
+      # returns 400 "API version not supported" and forces MODEL_CAPABLE=false,
+      # which makes send_message/multi_turn scenarios get skipped (#22).
+      # `preview` is also the @ai-sdk/azure 3.x default.
+      OPENCODE_AZURE_API_VERSION: "preview"
       # Android emulator reaches the runner host loopback via 10.0.2.2.
       # A real `opencode serve` runs on the host (see steps below), making this a true E2E.
       OPENCODE_URL: "http://10.0.2.2:4096"
@@ -92,7 +100,7 @@ jobs:
                 "options": {
                   "resourceName": "${RESOURCE_NAME}",
                   "apiKey": "{env:AZURE_OPENAI_API_KEY}",
-                  "apiVersion": "${AZURE_OPENAI_API_VERSION}"
+                  "apiVersion": "${OPENCODE_AZURE_API_VERSION}"
                 },
                 "models": {
                   "${AZURE_OPENAI_MODEL}": { "name": "Azure ${AZURE_OPENAI_MODEL}" }
@@ -107,18 +115,40 @@ jobs:
 
       - name: Start opencode server on runner host
         run: |
+          set -x
           # Bind all interfaces so the emulator can reach it via 10.0.2.2.
           nohup opencode serve --hostname 0.0.0.0 --port 4096 > /tmp/opencode-server.log 2>&1 &
+          SRV_PID=$!
+          echo "opencode pid=$SRV_PID"
           echo "Waiting for opencode server /global/health ..."
+          HEALTHY=0
           for i in $(seq 1 60); do
-            if curl -sf http://127.0.0.1:4096/global/health > /dev/null; then
-              echo "opencode server healthy after ${i}s"; break
+            if curl -sf --connect-timeout 2 -m 5 http://127.0.0.1:4096/global/health > /dev/null; then
+              echo "opencode server healthy after ${i}s"
+              HEALTHY=1
+              break
+            fi
+            # Periodic state dump every 10s while waiting
+            if [ $((i % 10)) -eq 0 ]; then
+              echo "--- @${i}s: server log so far ---"
+              tail -20 /tmp/opencode-server.log || true
+              echo "--- listening ports ---"
+              ss -tlnp 2>/dev/null | grep -E ':4096|opencode' || echo "no listener on 4096"
+              echo "--- pid alive? ---"
+              kill -0 $SRV_PID 2>/dev/null && echo "pid $SRV_PID alive" || echo "pid $SRV_PID DEAD"
             fi
             sleep 1
           done
-          curl -sf http://127.0.0.1:4096/global/health || {
-            echo "::error::opencode server failed to become healthy"; cat /tmp/opencode-server.log; exit 1;
-          }
+          if [ "$HEALTHY" != "1" ]; then
+            echo "::error::opencode server failed to become healthy in 60s"
+            echo "--- final server log ---"
+            cat /tmp/opencode-server.log || true
+            echo "--- ss listing ---"
+            ss -tlnp 2>/dev/null || true
+            echo "--- ps tree ---"
+            ps -ef | grep -E 'opencode|node|npm' | head -20 || true
+            exit 1
+          fi
 
       - name: Probe opencode model capability (can it reply?)
         id: probe
diff --git a/scripts/android-cua-smoke.py b/scripts/android-cua-smoke.py
index c0bc943..d44fa84 100755
--- a/scripts/android-cua-smoke.py
+++ b/scripts/android-cua-smoke.py
@@ -357,14 +357,16 @@ def execute_action(action: dict) -> str:
         return f"swiped ({x1},{y1})->({x2},{y2})"
 
     elif act == "send":
-        # Auto-locate send button: rightmost clickable ViewGroup in the bottom input bar
+        # Auto-locate send button: rightmost clickable ViewGroup in the bottom input bar.
+        # Threshold is screen-relative (bottom 25%) so it works on any emulator
+        # resolution — API 30 default profile is 1080x1920, not the 2400-tall pixel
+        # we previously hardcoded against.
+        screen_w, screen_h = get_screen_size()
+        bottom_threshold = int(screen_h * 0.75)
         xml = ui_dump()
-        # Find the EditText (message input) and the clickable element immediately after it
-        # The send button is the last clickable ViewGroup in the input row
         matches = re.findall(r'clickable="true"[^>]*bounds="\[(\d+),(\d+)\]\[(\d+),(\d+)\]"', xml)
         if matches:
-            # Find the rightmost clickable element near the bottom (y > 2200)
-            bottom_buttons = [(int(x1), int(y1), int(x2), int(y2)) for x1, y1, x2, y2 in matches if int(y1) > 2200]
+            bottom_buttons = [(int(x1), int(y1), int(x2), int(y2)) for x1, y1, x2, y2 in matches if int(y1) > bottom_threshold]
             if bottom_buttons:
                 # Rightmost = highest x1
                 send_btn = max(bottom_buttons, key=lambda b: b[0])
@@ -372,9 +374,11 @@ def execute_action(action: dict) -> str:
                 cy = (send_btn[1] + send_btn[3]) // 2
                 adb("shell", "input", "tap", str(cx), str(cy))
                 return f"send button tapped ({cx}, {cy})"
-        # Fallback: tap known location
-        adb("shell", "input", "tap", "996", "2358")
-        return "send button tapped (fallback 996, 2358)"
+        # Fallback: tap bottom-right corner of the screen, offset slightly inward
+        fx = screen_w - 80
+        fy = screen_h - 120
+        adb("shell", "input", "tap", str(fx), str(fy))
+        return f"send button tapped (fallback {fx}, {fy})"
 
     elif act == "wait":
         secs = float(action.get("seconds", 2))
@@ -565,16 +569,21 @@ def run_cua(goal: str, max_steps: int = 30, model: str = "gpt-4o",
         "goal": (
             "You see the OpenCode mobile app. Tap the '+' button (top-right) to create a new session. "
             "Tap the text input at the bottom. Type 'ping'. Press back to dismiss keyboard. "
-            "Use the send action. Wait 5 seconds. "
-            "Report success if you see both a 'You' bubble and an 'Assistant' bubble."
+            "Use the send action. Wait 5 seconds, then take another screenshot. "
+            "If you don't yet see an assistant reply, wait another 10 seconds and re-check (assistant replies can take 15+ seconds). "
+            "If still no assistant bubble, wait another 15 seconds and re-check one more time. "
+            "Report success if you see both a 'You' bubble and an 'Assistant' bubble. "
+            "Report failure only after at least 30 seconds of total waiting with no assistant bubble."
         ),
     },
     {
         "name": "multi_turn",
         "goal": (
             "You see the OpenCode mobile app. Tap '+' (top-right) to create a new session. "
-            "Tap the text input. Type 'what is 2+2'. Press back. Use send action. Wait 5 seconds. "
-            "Then tap the text input again, type 'and 3+3?'. Press back. Use send action. Wait 5 seconds. "
+            "Tap the text input. Type 'what is 2+2'. Press back. Use send action. "
+            "Wait up to 30 seconds for an assistant reply (re-check every 10 seconds). "
+            "Then tap the text input again, type 'and 3+3?'. Press back. Use send action. "
+            "Wait up to 30 seconds for the second assistant reply (re-check every 10 seconds). "
             "Report success if you see two assistant reply bubbles."
         ),
     },