feat: Add Flush Cache tool page to web UI

Adds a /flush-cache web page with a button to clear all cached Google
Sheets data and reset refresh timers. Link added to Tools nav across
all templates.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.gitea/workflows/build.yaml

@@ -31,5 +31,9 @@ jobs:
             TAG=${{ inputs.tag }}
           fi
           IMAGE=gitea.home.hrajfrisbee.cz/${{ github.repository }}:$TAG
-          docker build -f build/Dockerfile -t $IMAGE .
+          docker build -f build/Dockerfile \
+            --build-arg GIT_TAG=$TAG \
+            --build-arg GIT_COMMIT=${{ github.sha }} \
+            --build-arg BUILD_DATE=$(date -u +%Y-%m-%dT%H:%M:%SZ) \
+            -t $IMAGE .
           docker push $IMAGE

Makefile

@@ -45,7 +45,11 @@ web-debug: $(PYTHON)
 	FLASK_DEBUG=1 $(PYTHON) app.py
 
 image:
-	docker build -t fuj-management:latest -f build/Dockerfile .
+	docker build -t fuj-management:latest \
+		--build-arg GIT_TAG=$$(git describe --tags --always 2>/dev/null || echo "untagged") \
+		--build-arg GIT_COMMIT=$$(git rev-parse --short HEAD) \
+		--build-arg BUILD_DATE=$$(date -u +%Y-%m-%dT%H:%M:%SZ) \
+		-f build/Dockerfile .
 
 run:
 	docker run -it --rm -p 5001:5001 -v $(CURDIR)/.secret:/app/.secret:ro fuj-management:latest

app.py

@@ -23,7 +23,9 @@ from config import (
 )
 from attendance import get_members_with_fees, get_junior_members_with_fees, ADULT_MERGED_MONTHS, JUNIOR_MERGED_MONTHS
 from match_payments import reconcile, fetch_sheet_data, fetch_exceptions, normalize
-from cache_utils import get_sheet_modified_time, read_cache, write_cache, _LAST_CHECKED
+from cache_utils import get_sheet_modified_time, read_cache, write_cache, _LAST_CHECKED, flush_cache
+from sync_fio_to_sheets import sync_to_sheets
+from infer_payments import infer_payments
 
 def get_cached_data(cache_key, sheet_id, fetch_func, *args, serialize=None, deserialize=None, **kwargs):
     mod_time = get_sheet_modified_time(cache_key)
@@ -72,6 +74,13 @@ def warmup_cache():
     logger.info("Cache warmup complete.")
 
 app = Flask(__name__)
+
+import json as _json
+_meta_path = Path(__file__).parent / "build_meta.json"
+BUILD_META = _json.loads(_meta_path.read_text()) if _meta_path.exists() else {
+    "tag": "dev", "commit": "local", "build_date": ""
+}
+
 warmup_cache()
 
 @app.before_request
@@ -101,13 +110,53 @@ def inject_render_time():
             "total": f"{total:.3f}",
             "breakdown": " | ".join(breakdown)
         }
-    return dict(get_render_time=get_render_time)
+    return dict(get_render_time=get_render_time, build_meta=BUILD_META)
 
 @app.route("/")
 def index():
     # Redirect root to /adults for convenience while there are no other apps
     return '<meta http-equiv="refresh" content="0; url=/adults" />'
 
+@app.route("/flush-cache", methods=["GET", "POST"])
+def flush_cache_endpoint():
+    if request.method == "GET":
+        return render_template("flush-cache.html")
+    deleted = flush_cache()
+    return render_template("flush-cache.html", flushed=True, deleted=deleted)
+
+@app.route("/sync-bank")
+def sync_bank():
+    import contextlib
+    output = io.StringIO()
+    success = True
+    try:
+        with contextlib.redirect_stdout(output), contextlib.redirect_stderr(output):
+            # sync_to_sheets: equivalent of make sync-2026
+            output.write("=== Syncing Fio transactions (2026) ===\n")
+            sync_to_sheets(
+                spreadsheet_id=PAYMENTS_SHEET_ID,
+                credentials_path=CREDENTIALS_PATH,
+                date_from_str="2026-01-01",
+                date_to_str="2026-12-31",
+                sort_by_date=True,
+            )
+            output.write("\n=== Inferring payment details ===\n")
+            infer_payments(PAYMENTS_SHEET_ID, CREDENTIALS_PATH)
+            output.write("\n=== Flushing cache ===\n")
+            deleted = flush_cache()
+            output.write(f"Deleted {deleted} cache files.\n")
+            output.write("\n=== Done ===\n")
+    except Exception as e:
+        import traceback
+        output.write(f"\n!!! Error: {e}\n")
+        output.write(traceback.format_exc())
+        success = False
+    return render_template("sync.html", output=output.getvalue(), success=success)
+
+@app.route("/version")
+def version():
+    return BUILD_META
+
 @app.route("/fees")
 def fees():
     attendance_url = f"https://docs.google.com/spreadsheets/d/{ATTENDANCE_SHEET_ID}/edit"
@@ -284,8 +333,9 @@ def adults_view():
     formatted_results = []
     for name in adult_names:
         data = result["members"][name]
-        row = {"name": name, "months": [], "balance": data["total_balance"], "unpaid_periods": ""}
+        row = {"name": name, "months": [], "balance": data["total_balance"], "unpaid_periods": "", "raw_unpaid_periods": ""}
         unpaid_months = []
+        raw_unpaid_months = []
         for m in sorted_months:
             mdata = data["months"].get(m, {"expected": 0, "original_expected": 0, "attendance_count": 0, "paid": 0, "exception": None})
             expected = mdata.get("expected", 0)
@@ -293,12 +343,12 @@ def adults_view():
             count = mdata.get("attendance_count", 0)
             paid = int(mdata.get("paid", 0))
             exception_info = mdata.get("exception", None)
-            
+
             monthly_totals[m]["expected"] += expected
             monthly_totals[m]["paid"] += paid
-            
+
             override_amount = exception_info["amount"] if exception_info else None
-            
+
             if override_amount is not None and override_amount != original_expected:
                 is_overridden = True
                 fee_display = f"{override_amount} ({original_expected}) CZK ({count})" if count > 0 else f"{override_amount} ({original_expected}) CZK"
@@ -309,7 +359,7 @@ def adults_view():
             status = "empty"
             cell_text = "-"
             amount_to_pay = 0
-            
+
             if expected > 0:
                 amount_to_pay = max(0, expected - paid)
                 if paid >= expected:
@@ -319,32 +369,36 @@ def adults_view():
                     status = "partial"
                     cell_text = f"{paid}/{fee_display}"
                     unpaid_months.append(month_labels[m])
+                    raw_unpaid_months.append(datetime.strptime(m, "%Y-%m").strftime("%m/%Y"))
                 else:
                     status = "unpaid"
                     cell_text = f"0/{fee_display}"
                     unpaid_months.append(month_labels[m])
+                    raw_unpaid_months.append(datetime.strptime(m, "%Y-%m").strftime("%m/%Y"))
             elif paid > 0:
                 status = "surplus"
                 cell_text = f"PAID {paid}"
             else:
                 cell_text = "-"
                 amount_to_pay = 0
-            
+
             if expected > 0 or paid > 0:
                 tooltip = f"Received: {paid}, Expected: {expected}"
             else:
                 tooltip = ""
-            
+
             row["months"].append({
                 "text": cell_text,
                 "overridden": is_overridden,
                 "status": status,
                 "amount": amount_to_pay,
                 "month": month_labels[m],
+                "raw_month": m,
                 "tooltip": tooltip
             })
-            
+
         row["unpaid_periods"] = ", ".join(unpaid_months) if unpaid_months else ("Older debt" if data["total_balance"] < 0 else "")
+        row["raw_unpaid_periods"] = "+".join(raw_unpaid_months)
         row["balance"] = data["total_balance"]
         formatted_results.append(row)
         
@@ -423,17 +477,18 @@ def reconcile_view():
     formatted_results = []
     for name in adult_names:
         data = result["members"][name]
-        row = {"name": name, "months": [], "balance": data["total_balance"], "unpaid_periods": ""}
+        row = {"name": name, "months": [], "balance": data["total_balance"], "unpaid_periods": "", "raw_unpaid_periods": ""}
         unpaid_months = []
+        raw_unpaid_months = []
         for m in sorted_months:
             mdata = data["months"].get(m, {"expected": 0, "original_expected": 0, "paid": 0})
             expected = mdata["expected"]
             paid = int(mdata["paid"])
-            
+
             status = "empty"
             cell_text = "-"
             amount_to_pay = 0
-            
+
             if expected > 0:
                 if paid >= expected:
                     status = "ok"
@@ -443,23 +498,27 @@ def reconcile_view():
                     cell_text = f"{paid}/{expected}"
                     amount_to_pay = expected - paid
                     unpaid_months.append(month_labels[m])
+                    raw_unpaid_months.append(datetime.strptime(m, "%Y-%m").strftime("%m/%Y"))
                 else:
                     status = "unpaid"
                     cell_text = f"UNPAID {expected}"
                     amount_to_pay = expected
                     unpaid_months.append(month_labels[m])
+                    raw_unpaid_months.append(datetime.strptime(m, "%Y-%m").strftime("%m/%Y"))
             elif paid > 0:
                 status = "surplus"
                 cell_text = f"PAID {paid}"
-            
+
             row["months"].append({
                 "text": cell_text,
                 "status": status,
                 "amount": amount_to_pay,
-                "month": month_labels[m]
+                "month": month_labels[m],
+                "raw_month": m
             })
-            
+
         row["unpaid_periods"] = ", ".join(unpaid_months) if unpaid_months else ("Older debt" if data["total_balance"] < 0 else "")
+        row["raw_unpaid_periods"] = "+".join(raw_unpaid_months)
         row["balance"] = data["total_balance"] # Updated to use total_balance
         formatted_results.append(row)
         
@@ -536,8 +595,9 @@ def juniors_view():
     formatted_results = []
     for name in junior_names:
         data = result["members"][name]
-        row = {"name": name, "months": [], "balance": data["total_balance"], "unpaid_periods": ""}
+        row = {"name": name, "months": [], "balance": data["total_balance"], "unpaid_periods": "", "raw_unpaid_periods": ""}
         unpaid_months = []
+        raw_unpaid_months = []
         for m in sorted_months:
             mdata = data["months"].get(m, {"expected": 0, "original_expected": 0, "attendance_count": 0, "paid": 0, "exception": None})
             expected = mdata.get("expected", 0)
@@ -545,11 +605,11 @@ def juniors_view():
             count = mdata.get("attendance_count", 0)
             paid = int(mdata.get("paid", 0))
             exception_info = mdata.get("exception", None)
-            
+
             if expected != "?" and isinstance(expected, int):
                 monthly_totals[m]["expected"] += expected
             monthly_totals[m]["paid"] += paid
-            
+
             orig_fee_data = junior_members_dict.get(name, {}).get(m)
             adult_count = 0
             junior_count = 0
@@ -565,9 +625,9 @@ def juniors_view():
                 breakdown = f":{adult_count}A"
 
             count_str = f" ({count}{breakdown})" if count > 0 else ""
-            
+
             override_amount = exception_info["amount"] if exception_info else None
-            
+
             if override_amount is not None and override_amount != original_expected:
                 is_overridden = True
                 fee_display = f"{override_amount} ({original_expected}) CZK{count_str}"
@@ -578,11 +638,11 @@ def juniors_view():
             status = "empty"
             cell_text = "-"
             amount_to_pay = 0
-            
+
             if expected == "?" or (isinstance(expected, int) and expected > 0):
                 if expected == "?":
                     status = "empty"
-                    cell_text = "?"
+                    cell_text = f"?{count_str}"
                 elif paid >= expected:
                     status = "ok"
                     cell_text = f"{paid}/{fee_display}"
@@ -591,30 +651,34 @@ def juniors_view():
                     cell_text = f"{paid}/{fee_display}"
                     amount_to_pay = expected - paid
                     unpaid_months.append(month_labels[m])
+                    raw_unpaid_months.append(datetime.strptime(m, "%Y-%m").strftime("%m/%Y"))
                 else:
                     status = "unpaid"
                     cell_text = f"0/{fee_display}"
                     amount_to_pay = expected
                     unpaid_months.append(month_labels[m])
+                    raw_unpaid_months.append(datetime.strptime(m, "%Y-%m").strftime("%m/%Y"))
             elif paid > 0:
                 status = "surplus"
                 cell_text = f"PAID {paid}"
-                
+
             if (isinstance(expected, int) and expected > 0) or paid > 0:
                 tooltip = f"Received: {paid}, Expected: {expected}"
             else:
                 tooltip = ""
-            
+
             row["months"].append({
                 "text": cell_text,
                 "overridden": is_overridden,
                 "status": status,
                 "amount": amount_to_pay,
                 "month": month_labels[m],
+                "raw_month": m,
                 "tooltip": tooltip
             })
-            
+
         row["unpaid_periods"] = ", ".join(unpaid_months) if unpaid_months else ("Older debt" if data["total_balance"] < 0 else "")
+        row["raw_unpaid_periods"] = "+".join(raw_unpaid_months)
         row["balance"] = data["total_balance"]
         formatted_results.append(row)
         
@@ -705,24 +769,44 @@ def reconcile_juniors_view():
     # Filter to juniors for the main table
     junior_names = sorted([name for name, tier, _ in adapted_members])
     
+    junior_members_dict_rc = {name: fees_dict for name, _, fees_dict in junior_members}
+
     formatted_results = []
     for name in junior_names:
         data = result["members"][name]
-        row = {"name": name, "months": [], "balance": data["total_balance"], "unpaid_periods": ""}
+        row = {"name": name, "months": [], "balance": data["total_balance"], "unpaid_periods": "", "raw_unpaid_periods": ""}
         unpaid_months = []
+        raw_unpaid_months = []
         for m in sorted_months:
             mdata = data["months"].get(m, {"expected": 0, "original_expected": 0, "paid": 0})
             expected = mdata["expected"]
             paid = int(mdata["paid"])
-            
+
+            orig_fee_data = junior_members_dict_rc.get(name, {}).get(m)
+            adult_count = 0
+            junior_count = 0
+            att_count = 0
+            if orig_fee_data and len(orig_fee_data) == 4:
+                _, att_count, adult_count, junior_count = orig_fee_data
+
+            breakdown = ""
+            if adult_count > 0 and junior_count > 0:
+                breakdown = f":{junior_count}J,{adult_count}A"
+            elif junior_count > 0:
+                breakdown = f":{junior_count}J"
+            elif adult_count > 0:
+                breakdown = f":{adult_count}A"
+
+            count_str = f" ({att_count}{breakdown})" if att_count > 0 else ""
+
             status = "empty"
             cell_text = "-"
             amount_to_pay = 0
-            
+
             if expected == "?" or (isinstance(expected, int) and expected > 0):
                 if expected == "?":
                     status = "empty"
-                    cell_text = "?"
+                    cell_text = f"?{count_str}"
                 elif paid >= expected:
                     status = "ok"
                     cell_text = "OK"
@@ -731,23 +815,27 @@ def reconcile_juniors_view():
                     cell_text = f"{paid}/{expected}"
                     amount_to_pay = expected - paid
                     unpaid_months.append(month_labels[m])
+                    raw_unpaid_months.append(datetime.strptime(m, "%Y-%m").strftime("%m/%Y"))
                 else:
                     status = "unpaid"
                     cell_text = f"UNPAID {expected}"
                     amount_to_pay = expected
                     unpaid_months.append(month_labels[m])
+                    raw_unpaid_months.append(datetime.strptime(m, "%Y-%m").strftime("%m/%Y"))
             elif paid > 0:
                 status = "surplus"
                 cell_text = f"PAID {paid}"
-            
+
             row["months"].append({
                 "text": cell_text,
                 "status": status,
                 "amount": amount_to_pay,
-                "month": month_labels[m]
+                "month": month_labels[m],
+                "raw_month": m
             })
-            
+
         row["unpaid_periods"] = ", ".join(unpaid_months) if unpaid_months else ("Older debt" if data["total_balance"] < 0 else "")
+        row["raw_unpaid_periods"] = "+".join(raw_unpaid_months)
         row["balance"] = data["total_balance"]
         formatted_results.append(row)
         

build/Dockerfile

@@ -24,6 +24,17 @@ COPY templates/ ./templates/
 COPY build/entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
 
+ARG GIT_TAG=unknown
+ARG GIT_COMMIT=unknown
+ARG BUILD_DATE=unknown
+
+LABEL org.opencontainers.image.version="${GIT_TAG}" \
+      org.opencontainers.image.revision="${GIT_COMMIT}" \
+      org.opencontainers.image.created="${BUILD_DATE}" \
+      org.opencontainers.image.title="fuj-management"
+
+RUN echo "{\"tag\": \"${GIT_TAG}\", \"commit\": \"${GIT_COMMIT}\", \"build_date\": \"${BUILD_DATE}\"}" > /app/build_meta.json
+
 EXPOSE 5001
 
 HEALTHCHECK --interval=60s --timeout=5s --start-period=5s \

scripts/attendance.py

@@ -10,8 +10,11 @@ from config import ATTENDANCE_SHEET_ID as SHEET_ID, JUNIOR_SHEET_GID
 EXPORT_URL = f"https://docs.google.com/spreadsheets/d/{SHEET_ID}/export?format=csv&gid=0"
 JUNIOR_EXPORT_URL = f"https://docs.google.com/spreadsheets/d/{SHEET_ID}/export?format=csv&gid={JUNIOR_SHEET_GID}"
 
-FEE_FULL = 750  # CZK, for 2+ practices in a month
-FEE_SINGLE = 200  # CZK, for exactly 1 practice in a month
+ADULT_FEE_DEFAULT = 750  # CZK, for 2+ practices in a month
+ADULT_FEE_SINGLE = 200  # CZK, for exactly 1 practice in a month
+ADULT_FEE_MONTHLY_RATE = {
+    "2026-03": 350
+}
 
 JUNIOR_FEE_DEFAULT = 500  # CZK for 2+ practices
 JUNIOR_MONTHLY_RATE = {
@@ -76,13 +79,13 @@ def group_by_month(dates: list[tuple[int, datetime]], merged_months: dict[str, s
     return months
 
 
-def calculate_fee(attendance_count: int) -> int:
-    """Apply fee rules: 0 → 0, 1 → 200, 2+ → 750."""
+def calculate_fee(attendance_count: int, month_key: str) -> int:
+    """Apply fee rules: 0 → 0, 1 → 200, 2+ → configured rate (default 750)."""
     if attendance_count == 0:
         return 0
     if attendance_count == 1:
-        return FEE_SINGLE
-    return FEE_FULL
+        return ADULT_FEE_SINGLE
+    return ADULT_FEE_MONTHLY_RATE.get(month_key, ADULT_FEE_DEFAULT)
 
 
 def calculate_junior_fee(attendance_count: int, month_key: str) -> str | int:
@@ -186,7 +189,7 @@ def get_members_with_fees() -> tuple[list[tuple[str, str, dict[str, int]]], list
                 for c in cols
                 if c < len(row) and row[c].strip().upper() == "TRUE"
             )
-            fee = calculate_fee(count) if tier == "A" else 0
+            fee = calculate_fee(count, month_key) if tier == "A" else 0
             month_fees[month_key] = (fee, count)
         members.append((name, tier, month_fees))
 

scripts/cache_utils.py

@@ -155,3 +155,19 @@ def write_cache(sheet_id: str, modified_time: str, data: list | dict) -> None:
         logger.info(f"Wrote cache for {sheet_id}")
     except Exception as e:
         logger.error(f"Failed to write cache {sheet_id}: {e}")
+
+def flush_cache():
+    """Delete all cache files and reset in-memory state. Returns count of deleted files."""
+    global _DRIVE_SERVICE
+    _LAST_CHECKED.clear()
+    _DRIVE_SERVICE = None
+
+    deleted = 0
+    if CACHE_DIR.exists():
+        for f in CACHE_DIR.glob("*_cache.json"):
+            f.unlink()
+            deleted += 1
+            logger.info(f"Deleted cache file: {f.name}")
+
+    logger.info(f"Cache flushed: {deleted} files deleted, timers reset")
+    return deleted

templates/adults.html

@@ -464,6 +464,11 @@
             <a href="/reconcile-juniors">[Junior Payment Reconciliation]</a>
             <a href="/payments">[Payments Ledger]</a>
         </div>
+        <div class="nav-archived">
+            <span style="color: #666; margin-right: 5px;">Tools:</span>
+            <a href="/sync-bank">[Sync Bank Data]</a>
+            <a href="/flush-cache">[Flush Cache]</a>
+        </div>
     </div>
 
     <h1>Adults Dashboard</h1>
@@ -503,7 +508,7 @@
                         {{ cell.text }}
                         {% if cell.status == 'unpaid' or cell.status == 'partial' %}
                         <button class="pay-btn"
-                            onclick="showPayQR('{{ row.name|e }}', {{ cell.amount }}, '{{ cell.month|e }}')">Pay</button>
+                            onclick="showPayQR('{{ row.name|e }}', {{ cell.amount }}, '{{ cell.month|e }}', '{{ cell.raw_month }}')">Pay</button>
                         {% endif %}
                     </td>
                     {% endfor %}
@@ -511,7 +516,7 @@
                         {{ "%+d"|format(row.balance) if row.balance != 0 else "0" }}
                         {% if row.balance < 0 %}
                         <button class="pay-btn"
-                            onclick="showPayQR('{{ row.name|e }}', {{ -row.balance }}, '{{ row.unpaid_periods|e }}')">Pay All</button>
+                            onclick="showPayQR('{{ row.name|e }}', {{ -row.balance }}, '{{ row.unpaid_periods|e }}', '{{ row.raw_unpaid_periods|e }}')">Pay All</button>
                         {% endif %}
                     </td>
                 </tr>
@@ -647,7 +652,7 @@
     {% set rt = get_render_time() %}
     <div class="footer"
         onclick="document.getElementById('perf-details').style.display = (document.getElementById('perf-details').style.display === 'block' ? 'none' : 'block')">
-        render time: {{ rt.total }}s
+        {{ build_meta.tag }}@{{ build_meta.commit }} | render time: {{ rt.total }}s
         <div id="perf-details" class="perf-breakdown">
             {{ rt.breakdown }}
         </div>
@@ -857,9 +862,13 @@
                 showMemberDetails(nextName);
             }
         }
-        function showPayQR(name, amount, month) {
+        function showPayQR(name, amount, month, rawMonth) {
             const account = "{{ bank_account }}";
-            const message = `${name} / ${month}`;
+            // Convert YYYY-MM to MM/YYYY for infer_payments.py compatibility
+            const numericMonth = rawMonth.includes('+')
+                ? rawMonth.split('+').map(p => p.replace(/(\d{4})-(\d{2})/, '$2/$1')).join('+')
+                : rawMonth.replace(/(\d{4})-(\d{2})/, '$2/$1');
+            const message = `${name}: ${numericMonth}`;
             const qrTitle = document.getElementById('qrTitle');
             const qrImg = document.getElementById('qrImg');
             const qrAccount = document.getElementById('qrAccount');

templates/fees-juniors.html

@@ -192,6 +192,11 @@
             <a href="/reconcile-juniors">[Junior Payment Reconciliation]</a>
             <a href="/payments">[Payments Ledger]</a>
         </div>
+        <div class="nav-archived">
+            <span style="color: #666; margin-right: 5px;">Tools:</span>
+            <a href="/sync-bank">[Sync Bank Data]</a>
+            <a href="/flush-cache">[Flush Cache]</a>
+        </div>
     </div>
 
     <h1>FUJ Junior Fees Dashboard</h1>
@@ -238,7 +243,7 @@
     {% set rt = get_render_time() %}
     <div class="footer"
         onclick="document.getElementById('perf-details').style.display = (document.getElementById('perf-details').style.display === 'block' ? 'none' : 'block')">
-        render time: {{ rt.total }}s
+        {{ build_meta.tag }}@{{ build_meta.commit }} | render time: {{ rt.total }}s
         <div id="perf-details" class="perf-breakdown">
             {{ rt.breakdown }}
         </div>

templates/fees.html

@@ -207,6 +207,11 @@
             <a href="/reconcile-juniors">[Junior Payment Reconciliation]</a>
             <a href="/payments">[Payments Ledger]</a>
         </div>
+        <div class="nav-archived">
+            <span style="color: #666; margin-right: 5px;">Tools:</span>
+            <a href="/sync-bank">[Sync Bank Data]</a>
+            <a href="/flush-cache">[Flush Cache]</a>
+        </div>
     </div>
 
     <h1>FUJ Fees Dashboard</h1>
@@ -253,7 +258,7 @@
     {% set rt = get_render_time() %}
     <div class="footer"
         onclick="document.getElementById('perf-details').style.display = (document.getElementById('perf-details').style.display === 'block' ? 'none' : 'block')">
-        render time: {{ rt.total }}s
+        {{ build_meta.tag }}@{{ build_meta.commit }} | render time: {{ rt.total }}s
         <div id="perf-details" class="perf-breakdown">
             {{ rt.breakdown }}
         </div>

templates/flush-cache.html

@@ -0,0 +1,167 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>FUJ - Flush Cache</title>
+    <style>
+        body {
+            font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
+            background-color: #0c0c0c;
+            color: #cccccc;
+            padding: 10px;
+            margin: 0;
+            display: flex;
+            flex-direction: column;
+            align-items: center;
+            font-size: 11px;
+            line-height: 1.2;
+        }
+
+        h1 {
+            color: #00ff00;
+            font-family: inherit;
+            margin-top: 10px;
+            margin-bottom: 20px;
+            text-transform: uppercase;
+            letter-spacing: 1px;
+            font-size: 14px;
+        }
+
+        .nav {
+            margin-bottom: 20px;
+            font-size: 12px;
+            color: #555;
+            display: flex;
+            flex-direction: column;
+            gap: 10px;
+            align-items: center;
+        }
+
+        .nav > div {
+            display: flex;
+            gap: 15px;
+            align-items: center;
+        }
+
+        .nav a {
+            color: #00ff00;
+            text-decoration: none;
+            padding: 2px 8px;
+            border: 1px solid #333;
+        }
+
+        .nav a.active {
+            color: #000;
+            background-color: #00ff00;
+            border-color: #00ff00;
+        }
+
+        .nav a:hover {
+            color: #fff;
+            border-color: #555;
+        }
+
+        .nav-archived a {
+            font-size: 10px;
+            color: #666;
+            border-color: #222;
+        }
+
+        .nav-archived a.active {
+            color: #ccc;
+            background-color: #333;
+            border-color: #555;
+        }
+
+        .nav-archived a:hover {
+            color: #999;
+            border-color: #444;
+        }
+
+        .flush-container {
+            background-color: #111;
+            border: 1px solid #333;
+            padding: 30px;
+            width: 100%;
+            max-width: 600px;
+            margin-bottom: 30px;
+            text-align: center;
+        }
+
+        .flush-btn {
+            font-family: inherit;
+            font-size: 12px;
+            color: #00ff00;
+            background-color: #1a1a1a;
+            border: 1px solid #00ff00;
+            padding: 8px 24px;
+            cursor: pointer;
+            text-transform: uppercase;
+            letter-spacing: 1px;
+        }
+
+        .flush-btn:hover {
+            background-color: #00ff00;
+            color: #000;
+        }
+
+        .status {
+            margin-bottom: 15px;
+            font-size: 12px;
+        }
+
+        .status-ok { color: #00ff00; }
+
+        .footer {
+            text-align: center;
+            color: #333;
+            margin-top: 20px;
+            font-size: 10px;
+        }
+    </style>
+</head>
+
+<body>
+    <div class="nav">
+        <div>
+            <a href="/adults">[Adults]</a>
+            <a href="/juniors">[Juniors]</a>
+        </div>
+        <div class="nav-archived">
+            <span style="color: #666; margin-right: 5px;">Archived:</span>
+            <a href="/fees">[Adult - Attendance/Fees]</a>
+            <a href="/fees-juniors">[Junior Attendance/Fees]</a>
+            <a href="/reconcile">[Adult Payment Reconciliation]</a>
+            <a href="/reconcile-juniors">[Junior Payment Reconciliation]</a>
+            <a href="/payments">[Payments Ledger]</a>
+        </div>
+        <div class="nav-archived">
+            <span style="color: #666; margin-right: 5px;">Tools:</span>
+            <a href="/sync-bank">[Sync Bank Data]</a>
+            <a href="/flush-cache" class="active">[Flush Cache]</a>
+        </div>
+    </div>
+
+    <h1>Flush Cache</h1>
+
+    {% if flushed %}
+    <div class="status">
+        <span class="status-ok">Cache flushed successfully. {{ deleted }} file(s) deleted.</span>
+    </div>
+    {% endif %}
+
+    <div class="flush-container">
+        <p style="margin-bottom: 20px; color: #888;">Clears all cached Google Sheets data and resets refresh timers.</p>
+        <form method="POST" action="/flush-cache">
+            <button type="submit" class="flush-btn">[Flush Cache]</button>
+        </form>
+    </div>
+
+    <div class="footer">
+        {{ build_meta.tag }} | {{ build_meta.commit }} | {{ build_meta.build_date }}
+    </div>
+</body>
+
+</html>

templates/juniors.html

@@ -464,6 +464,11 @@
             <a href="/reconcile-juniors">[Junior Payment Reconciliation]</a>
             <a href="/payments">[Payments Ledger]</a>
         </div>
+        <div class="nav-archived">
+            <span style="color: #666; margin-right: 5px;">Tools:</span>
+            <a href="/sync-bank">[Sync Bank Data]</a>
+            <a href="/flush-cache">[Flush Cache]</a>
+        </div>
     </div>
 
     <h1>Juniors Dashboard</h1>
@@ -503,7 +508,7 @@
                         {{ cell.text }}
                         {% if cell.status == 'unpaid' or cell.status == 'partial' %}
                         <button class="pay-btn"
-                            onclick="showPayQR('{{ row.name|e }}', {{ cell.amount }}, '{{ cell.month|e }}')">Pay</button>
+                            onclick="showPayQR('{{ row.name|e }}', {{ cell.amount }}, '{{ cell.month|e }}', '{{ cell.raw_month }}')">Pay</button>
                         {% endif %}
                     </td>
                     {% endfor %}
@@ -511,7 +516,7 @@
                         {{ "%+d"|format(row.balance) if row.balance != 0 else "0" }}
                         {% if row.balance < 0 %}
                         <button class="pay-btn"
-                            onclick="showPayQR('{{ row.name|e }}', {{ -row.balance }}, '{{ row.unpaid_periods|e }}')">Pay All</button>
+                            onclick="showPayQR('{{ row.name|e }}', {{ -row.balance }}, '{{ row.unpaid_periods|e }}', '{{ row.raw_unpaid_periods|e }}')">Pay All</button>
                         {% endif %}
                     </td>
                 </tr>
@@ -628,7 +633,7 @@
     {% set rt = get_render_time() %}
     <div class="footer"
         onclick="document.getElementById('perf-details').style.display = (document.getElementById('perf-details').style.display === 'block' ? 'none' : 'block')">
-        render time: {{ rt.total }}s
+        {{ build_meta.tag }}@{{ build_meta.commit }} | render time: {{ rt.total }}s
         <div id="perf-details" class="perf-breakdown">
             {{ rt.breakdown }}
         </div>
@@ -838,9 +843,13 @@
                 showMemberDetails(nextName);
             }
         }
-        function showPayQR(name, amount, month) {
+        function showPayQR(name, amount, month, rawMonth) {
             const account = "{{ bank_account }}";
-            const message = `${name} / ${month}`;
+            // Convert YYYY-MM to MM/YYYY for infer_payments.py compatibility
+            const numericMonth = rawMonth.includes('+')
+                ? rawMonth.split('+').map(p => p.replace(/(\d{4})-(\d{2})/, '$2/$1')).join('+')
+                : rawMonth.replace(/(\d{4})-(\d{2})/, '$2/$1');
+            const message = `${name}: ${numericMonth}`;
             const qrTitle = document.getElementById('qrTitle');
             const qrImg = document.getElementById('qrImg');
             const qrAccount = document.getElementById('qrAccount');

templates/payments.html

@@ -196,6 +196,11 @@
             <a href="/reconcile-juniors">[Junior Payment Reconciliation]</a>
             <a href="/payments" class="active">[Payments Ledger]</a>
         </div>
+        <div class="nav-archived">
+            <span style="color: #666; margin-right: 5px;">Tools:</span>
+            <a href="/sync-bank">[Sync Bank Data]</a>
+            <a href="/flush-cache">[Flush Cache]</a>
+        </div>
     </div>
 
     <h1>Payments Ledger</h1>
@@ -237,7 +242,7 @@
     {% set rt = get_render_time() %}
     <div class="footer"
         onclick="document.getElementById('perf-details').style.display = (document.getElementById('perf-details').style.display === 'block' ? 'none' : 'block')">
-        render time: {{ rt.total }}s
+        {{ build_meta.tag }}@{{ build_meta.commit }} | render time: {{ rt.total }}s
         <div id="perf-details" class="perf-breakdown">
             {{ rt.breakdown }}
         </div>

templates/reconcile-juniors.html

@@ -460,6 +460,11 @@
             <a href="/reconcile-juniors" class="active">[Junior Payment Reconciliation]</a>
             <a href="/payments">[Payments Ledger]</a>
         </div>
+        <div class="nav-archived">
+            <span style="color: #666; margin-right: 5px;">Tools:</span>
+            <a href="/sync-bank">[Sync Bank Data]</a>
+            <a href="/flush-cache">[Flush Cache]</a>
+        </div>
     </div>
 
     <h1>Junior Payment Reconciliation</h1>
@@ -499,7 +504,7 @@
                         {{ cell.text }}
                         {% if cell.status == 'unpaid' or cell.status == 'partial' %}
                         <button class="pay-btn"
-                            onclick="showPayQR('{{ row.name|e }}', {{ cell.amount }}, '{{ cell.month|e }}')">Pay</button>
+                            onclick="showPayQR('{{ row.name|e }}', {{ cell.amount }}, '{{ cell.month|e }}', '{{ cell.raw_month }}')">Pay</button>
                         {% endif %}
                     </td>
                     {% endfor %}
@@ -507,7 +512,7 @@
                         {{ "%+d"|format(row.balance) if row.balance != 0 else "0" }}
                         {% if row.balance < 0 %}
                         <button class="pay-btn"
-                            onclick="showPayQR('{{ row.name|e }}', {{ -row.balance }}, '{{ row.unpaid_periods|e }}')">Pay All</button>
+                            onclick="showPayQR('{{ row.name|e }}', {{ -row.balance }}, '{{ row.unpaid_periods|e }}', '{{ row.raw_unpaid_periods|e }}')">Pay All</button>
                         {% endif %}
                     </td>
                 </tr>
@@ -631,7 +636,7 @@
     {% set rt = get_render_time() %}
     <div class="footer"
         onclick="document.getElementById('perf-details').style.display = (document.getElementById('perf-details').style.display === 'block' ? 'none' : 'block')">
-        render time: {{ rt.total }}s
+        {{ build_meta.tag }}@{{ build_meta.commit }} | render time: {{ rt.total }}s
         <div id="perf-details" class="perf-breakdown">
             {{ rt.breakdown }}
         </div>
@@ -841,9 +846,13 @@
                 showMemberDetails(nextName);
             }
         }
-        function showPayQR(name, amount, month) {
+        function showPayQR(name, amount, month, rawMonth) {
             const account = "{{ bank_account }}";
-            const message = `${name} / ${month}`;
+            // Convert YYYY-MM to MM/YYYY for infer_payments.py compatibility
+            const numericMonth = rawMonth.includes('+')
+                ? rawMonth.split('+').map(p => p.replace(/(\d{4})-(\d{2})/, '$2/$1')).join('+')
+                : rawMonth.replace(/(\d{4})-(\d{2})/, '$2/$1');
+            const message = `${name}: ${numericMonth}`;
             const qrTitle = document.getElementById('qrTitle');
             const qrImg = document.getElementById('qrImg');
             const qrAccount = document.getElementById('qrAccount');

templates/reconcile.html

@@ -460,6 +460,11 @@
             <a href="/reconcile-juniors">[Junior Payment Reconciliation]</a>
             <a href="/payments">[Payments Ledger]</a>
         </div>
+        <div class="nav-archived">
+            <span style="color: #666; margin-right: 5px;">Tools:</span>
+            <a href="/sync-bank">[Sync Bank Data]</a>
+            <a href="/flush-cache">[Flush Cache]</a>
+        </div>
     </div>
 
     <h1>Payment Reconciliation</h1>
@@ -499,7 +504,7 @@
                         {{ cell.text }}
                         {% if cell.status == 'unpaid' or cell.status == 'partial' %}
                         <button class="pay-btn"
-                            onclick="showPayQR('{{ row.name|e }}', {{ cell.amount }}, '{{ cell.month|e }}')">Pay</button>
+                            onclick="showPayQR('{{ row.name|e }}', {{ cell.amount }}, '{{ cell.month|e }}', '{{ cell.raw_month }}')">Pay</button>
                         {% endif %}
                     </td>
                     {% endfor %}
@@ -507,7 +512,7 @@
                         {{ "%+d"|format(row.balance) if row.balance != 0 else "0" }}
                         {% if row.balance < 0 %}
                         <button class="pay-btn"
-                            onclick="showPayQR('{{ row.name|e }}', {{ -row.balance }}, '{{ row.unpaid_periods|e }}')">Pay All</button>
+                            onclick="showPayQR('{{ row.name|e }}', {{ -row.balance }}, '{{ row.unpaid_periods|e }}', '{{ row.raw_unpaid_periods|e }}')">Pay All</button>
                         {% endif %}
                     </td>
                 </tr>
@@ -631,7 +636,7 @@
     {% set rt = get_render_time() %}
     <div class="footer"
         onclick="document.getElementById('perf-details').style.display = (document.getElementById('perf-details').style.display === 'block' ? 'none' : 'block')">
-        render time: {{ rt.total }}s
+        {{ build_meta.tag }}@{{ build_meta.commit }} | render time: {{ rt.total }}s
         <div id="perf-details" class="perf-breakdown">
             {{ rt.breakdown }}
         </div>
@@ -841,9 +846,13 @@
                 showMemberDetails(nextName);
             }
         }
-        function showPayQR(name, amount, month) {
+        function showPayQR(name, amount, month, rawMonth) {
             const account = "{{ bank_account }}";
-            const message = `${name} / ${month}`;
+            // Convert YYYY-MM to MM/YYYY for infer_payments.py compatibility
+            const numericMonth = rawMonth.includes('+')
+                ? rawMonth.split('+').map(p => p.replace(/(\d{4})-(\d{2})/, '$2/$1')).join('+')
+                : rawMonth.replace(/(\d{4})-(\d{2})/, '$2/$1');
+            const message = `${name}: ${numericMonth}`;
             const qrTitle = document.getElementById('qrTitle');
             const qrImg = document.getElementById('qrImg');
             const qrAccount = document.getElementById('qrAccount');

templates/sync.html

@@ -0,0 +1,157 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>FUJ - Sync Bank Data</title>
+    <style>
+        body {
+            font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
+            background-color: #0c0c0c;
+            color: #cccccc;
+            padding: 10px;
+            margin: 0;
+            display: flex;
+            flex-direction: column;
+            align-items: center;
+            font-size: 11px;
+            line-height: 1.2;
+        }
+
+        h1 {
+            color: #00ff00;
+            font-family: inherit;
+            margin-top: 10px;
+            margin-bottom: 20px;
+            text-transform: uppercase;
+            letter-spacing: 1px;
+            font-size: 14px;
+        }
+
+        .nav {
+            margin-bottom: 20px;
+            font-size: 12px;
+            color: #555;
+            display: flex;
+            flex-direction: column;
+            gap: 10px;
+            align-items: center;
+        }
+
+        .nav > div {
+            display: flex;
+            gap: 15px;
+            align-items: center;
+        }
+
+        .nav a {
+            color: #00ff00;
+            text-decoration: none;
+            padding: 2px 8px;
+            border: 1px solid #333;
+        }
+
+        .nav a.active {
+            color: #000;
+            background-color: #00ff00;
+            border-color: #00ff00;
+        }
+
+        .nav a:hover {
+            color: #fff;
+            border-color: #555;
+        }
+
+        .nav-archived a {
+            font-size: 10px;
+            color: #666;
+            border-color: #222;
+        }
+
+        .nav-archived a.active {
+            color: #ccc;
+            background-color: #333;
+            border-color: #555;
+        }
+
+        .nav-archived a:hover {
+            color: #999;
+            border-color: #444;
+        }
+
+        .output-container {
+            background-color: #111;
+            border: 1px solid #333;
+            padding: 15px;
+            width: 100%;
+            max-width: 1200px;
+            margin-bottom: 30px;
+            overflow-x: auto;
+        }
+
+        .output-container pre {
+            margin: 0;
+            white-space: pre-wrap;
+            word-wrap: break-word;
+            color: {% if success %}#cccccc{% else %}#ff6666{% endif %};
+        }
+
+        .status {
+            margin-bottom: 15px;
+            font-size: 12px;
+        }
+
+        .status-ok { color: #00ff00; }
+        .status-error { color: #ff6666; }
+
+        .footer {
+            text-align: center;
+            color: #333;
+            margin-top: 20px;
+            font-size: 10px;
+        }
+    </style>
+</head>
+
+<body>
+    <div class="nav">
+        <div>
+            <a href="/adults">[Adults]</a>
+            <a href="/juniors">[Juniors]</a>
+        </div>
+        <div class="nav-archived">
+            <span style="color: #666; margin-right: 5px;">Archived:</span>
+            <a href="/fees">[Adult - Attendance/Fees]</a>
+            <a href="/fees-juniors">[Junior Attendance/Fees]</a>
+            <a href="/reconcile">[Adult Payment Reconciliation]</a>
+            <a href="/reconcile-juniors">[Junior Payment Reconciliation]</a>
+            <a href="/payments">[Payments Ledger]</a>
+        </div>
+        <div class="nav-archived">
+            <span style="color: #666; margin-right: 5px;">Tools:</span>
+            <a href="/sync-bank" class="active">[Sync Bank Data]</a>
+            <a href="/flush-cache">[Flush Cache]</a>
+        </div>
+    </div>
+
+    <h1>Sync Bank Data</h1>
+
+    <div class="status">
+        {% if success %}
+        <span class="status-ok">Sync completed successfully.</span>
+        {% else %}
+        <span class="status-error">Sync failed - see output below.</span>
+        {% endif %}
+    </div>
+
+    <div class="output-container">
+        <pre>{{ output }}</pre>
+    </div>
+
+    <div class="footer">
+        {{ build_meta.tag }} | {{ build_meta.commit }} | {{ build_meta.build_date }}
+    </div>
+</body>
+
+</html>