diff --git a/app/blueprints/admin/routes.py b/app/blueprints/admin/routes.py
index 1c4da26..1a424d4 100644
--- a/app/blueprints/admin/routes.py
+++ b/app/blueprints/admin/routes.py
@@ -9,10 +9,14 @@ from app.models.listing import Listing
 from app.models.plan import Plan
 from app.models.trust import TrustEvent
 from app.models.audit import AuditLog
-from app.models.enums import UserStatus, TrustEventType
+from app.models.report import Report
+from app.models.enums import UserStatus, TrustEventType, ListingStatus
 from app.utils import admin_required
 from app.services import admin_users as usvc
 from app.services import admin_dashboard as dash
+from app.services import moderation as msvc
+from app.services.settings import get_setting, set_setting
+from app.services import audit
 
 admin_bp = Blueprint("admin", __name__)
 
@@ -125,3 +129,96 @@ def trust_adjust(user_id):
     db.session.commit()
     flash(_("Trust adjusted."), "success")
     return redirect(url_for("admin.user_detail", user_id=user.id))
+
+
+# --- listing moderation ---
+@admin_bp.route("/admin/listings")
+@admin_required
+def listings():
+    page = request.args.get("page", 1, type=int)
+    pagination = msvc.flag_queue(page=page, per_page=PER_PAGE)
+    flag_threshold = get_setting("flag_threshold", 5)
+    keyword_blocklist = get_setting("keyword_blocklist", [])
+    return render_template("admin/listings.html", pagination=pagination,
+                           flag_threshold=flag_threshold,
+                           keyword_blocklist=keyword_blocklist)
+
+
+@admin_bp.route("/admin/listings/settings", methods=["POST"])
+@admin_required
+def listings_settings():
+    threshold = request.form.get("flag_threshold", type=int) or 5
+    raw_blocklist = request.form.get("keyword_blocklist", "")
+    blocklist = [line.strip() for line in raw_blocklist.splitlines() if line.strip()]
+    set_setting("flag_threshold", threshold)
+    set_setting("keyword_blocklist", blocklist)
+    audit.log_action(current_user, "settings.updated", "setting", None,
+                      meta={"flag_threshold": threshold, "keyword_blocklist": blocklist})
+    db.session.commit()
+    flash(_("Moderation settings updated."), "success")
+    return redirect(url_for("admin.listings"))
+
+
+@admin_bp.route("/admin/listings/<int:listing_id>/approve", methods=["POST"])
+@admin_required
+def approve_listing(listing_id):
+    listing = Listing.query.get_or_404(listing_id)
+    msvc.approve(listing, actor=current_user)
+    db.session.commit()
+    flash(_("Listing approved."), "success")
+    return redirect(url_for("admin.listings"))
+
+
+@admin_bp.route("/admin/listings/<int:listing_id>/hide", methods=["POST"])
+@admin_required
+def hide_listing(listing_id):
+    listing = Listing.query.get_or_404(listing_id)
+    msvc.hide(listing, actor=current_user)
+    db.session.commit()
+    flash(_("Listing hidden."), "warning")
+    return redirect(url_for("admin.listings"))
+
+
+@admin_bp.route("/admin/listings/<int:listing_id>/remove", methods=["POST"])
+@admin_required
+def remove_listing(listing_id):
+    listing = Listing.query.get_or_404(listing_id)
+    msvc.remove(listing, actor=current_user)
+    db.session.commit()
+    flash(_("Listing removed."), "danger")
+    return redirect(url_for("admin.listings"))
+
+
+# --- reports queue ---
+@admin_bp.route("/admin/reports")
+@admin_required
+def reports():
+    candidates = (Report.query.join(Listing, Report.listing_id == Listing.id)
+                 .filter(Listing.status == ListingStatus.flagged)
+                 .order_by(Report.created_at.desc()).all())
+    dismissed_ids = {a.target_id for a in
+                     AuditLog.query.filter_by(target_type="report", action="report.dismissed").all()}
+    open_reports = [r for r in candidates if r.id not in dismissed_ids]
+    return render_template("admin/reports.html", reports=open_reports)
+
+
+@admin_bp.route("/admin/reports/<int:report_id>/dismiss", methods=["POST"])
+@admin_required
+def dismiss_report(report_id):
+    report = Report.query.get_or_404(report_id)
+    audit.log_action(current_user, "report.dismissed", "report", report.id,
+                      meta={"listing_id": report.listing_id, "reporter_id": report.reporter_id})
+    db.session.commit()
+    flash(_("Report dismissed."), "info")
+    return redirect(url_for("admin.reports"))
+
+
+@admin_bp.route("/admin/reports/<int:report_id>/escalate", methods=["POST"])
+@admin_required
+def escalate_report(report_id):
+    report = Report.query.get_or_404(report_id)
+    audit.log_action(current_user, "report.escalated", "report", report.id,
+                      meta={"listing_id": report.listing_id, "reporter_id": report.reporter_id})
+    db.session.commit()
+    flash(_("Report escalated."), "warning")
+    return redirect(url_for("admin.reports"))
diff --git a/app/blueprints/listings/routes.py b/app/blueprints/listings/routes.py
index 7261c64..0a0ccf5 100644
--- a/app/blueprints/listings/routes.py
+++ b/app/blueprints/listings/routes.py
@@ -9,10 +9,11 @@ from flask_babel import gettext as _
 from app.extensions import db, limiter
 from app.models.category import Category
 from app.models.listing import Listing, ListingImage
-from app.models.enums import ListingStatus
+from app.models.enums import ListingStatus, ReportReason
 from app.services import listings as svc
 from app.services.geo import geocode_zip
 from app.services.images import process_upload, delete_image_files, ImageError
+from app.services import reports as rsvc
 from app.blueprints.listings.forms import ListingForm, ImageUploadForm
 
 listings_bp = Blueprint("listings", __name__)
@@ -220,6 +221,28 @@ def mark_sold(listing_id):
     return redirect(url_for("listings.detail", listing_id=listing.id))
 
 
+# --- report ---
+@listings_bp.route("/listings/<int:listing_id>/report", methods=["POST"])
+@login_required
+@limiter.limit("20 per hour", methods=["POST"])
+def report(listing_id):
+    listing = Listing.query.get_or_404(listing_id)
+    reason_raw = request.form.get("reason", type=str)
+    note = request.form.get("note", type=str)
+    try:
+        reason = ReportReason(reason_raw)
+    except ValueError:
+        flash(_("Invalid report reason."), "danger")
+        return redirect(url_for("listings.detail", listing_id=listing.id))
+    try:
+        rsvc.create_report(listing, current_user, reason, note=note)
+    except rsvc.ReportError as e:
+        flash(str(e), "warning")
+    else:
+        flash(_("Thanks — this listing has been reported for review."), "success")
+    return redirect(url_for("listings.detail", listing_id=listing.id))
+
+
 # --- my listings ---
 @listings_bp.route("/my/listings")
 @login_required
diff --git a/app/models/__init__.py b/app/models/__init__.py
index 9bda8fa..8370b74 100644
--- a/app/models/__init__.py
+++ b/app/models/__init__.py
@@ -7,6 +7,7 @@ from app.models.listing import Listing, ListingImage
 from app.models.geo import ZipGeo, Metro
 from app.models.messaging import Conversation, Message
 from app.models.favorite import Favorite
+from app.models.report import Report
 from app.models.payments import Subscription, Transaction, Boost
 from app.models.ads import Ad, Sponsor, PromotedKeyword
 from app.models.audit import AuditLog
@@ -14,5 +15,5 @@ from app.models.setting import Setting
 
 __all__ = ["Plan", "User", "TrustEvent", "Category", "Listing",
            "ListingImage", "ZipGeo", "Metro", "Conversation", "Message",
-           "Favorite", "Subscription", "Transaction", "Boost",
+           "Favorite", "Report", "Subscription", "Transaction", "Boost",
            "Ad", "Sponsor", "PromotedKeyword", "AuditLog", "Setting"]
diff --git a/app/models/enums.py b/app/models/enums.py
index 48f4b0f..6547151 100644
--- a/app/models/enums.py
+++ b/app/models/enums.py
@@ -42,3 +42,12 @@ class Lang(str, enum.Enum):
     en = "en"
     vi = "vi"
     es = "es"
+
+
+class ReportReason(str, enum.Enum):
+    spam = "spam"
+    scam = "scam"
+    offensive = "offensive"
+    duplicate = "duplicate"
+    miscategorized = "miscategorized"
+    other = "other"
diff --git a/app/models/report.py b/app/models/report.py
new file mode 100644
index 0000000..798902d
--- /dev/null
+++ b/app/models/report.py
@@ -0,0 +1,28 @@
+"""User-submitted reports against listings (spam/abuse moderation)."""
+from datetime import datetime
+from app.extensions import db
+from app.models.enums import ReportReason
+
+
+class Report(db.Model):
+    __tablename__ = "reports"
+
+    id = db.Column(db.BigInteger().with_variant(db.Integer, "sqlite"),
+                   primary_key=True, autoincrement=True)
+    listing_id = db.Column(db.BigInteger().with_variant(db.Integer, "sqlite"),
+                           db.ForeignKey("listings.id"), nullable=False, index=True)
+    reporter_id = db.Column(db.BigInteger().with_variant(db.Integer, "sqlite"),
+                            db.ForeignKey("users.id"), nullable=False, index=True)
+    reason = db.Column(db.Enum(ReportReason), nullable=False)
+    note = db.Column(db.Text, nullable=True)
+    created_at = db.Column(db.DateTime, default=datetime.utcnow, nullable=False)
+
+    listing = db.relationship("Listing", backref=db.backref("reports", lazy="dynamic"))
+    reporter = db.relationship("User", backref=db.backref("reports_filed", lazy="dynamic"))
+
+    __table_args__ = (
+        db.UniqueConstraint("reporter_id", "listing_id", name="uq_report_reporter_listing"),
+    )
+
+    def __repr__(self):
+        return f"<Report L{self.listing_id} by u{self.reporter_id} {self.reason.value}>"
diff --git a/app/services/admin_dashboard.py b/app/services/admin_dashboard.py
index 7b279d7..85d62c0 100644
--- a/app/services/admin_dashboard.py
+++ b/app/services/admin_dashboard.py
@@ -41,4 +41,5 @@ def revenue_30d_cents():
 
 
 def flag_queue_depth():
-    return Listing.query.filter(Listing.flag_count > 0).count()
+    from app.services.moderation import QUEUE_FILTER
+    return Listing.query.filter(QUEUE_FILTER).count()
diff --git a/app/services/listings.py b/app/services/listings.py
index 6d512ba..0a338e0 100644
--- a/app/services/listings.py
+++ b/app/services/listings.py
@@ -8,6 +8,7 @@ from app.models.enums import ListingStatus, Lang
 from app.utils.text import normalize
 from app.services.geo import geocode_zip, bounding_box, haversine_mi
 from app.services.field_schema import validate_attributes, hot_values
+from app.services.settings import get_setting
 
 
 class ListingError(ValueError):
@@ -48,6 +49,15 @@ def _life_days(user):
     return _limit(user, "listing_life_days", 14)
 
 
+def _blocklist_hit(title, body):
+    """Accent-insensitive check against the admin-configured keyword blocklist."""
+    blocklist = get_setting("keyword_blocklist", [])
+    if not blocklist:
+        return False
+    hay = normalize(f"{title} {body}")
+    return any(normalize(term) in hay for term in blocklist if term)
+
+
 # --- create / update ---
 def create_listing(user, category, *, title, body, lang, price_cents,
                    zip_code, raw_attributes):
@@ -71,6 +81,8 @@ def create_listing(user, category, *, title, body, lang, price_cents,
         expires_at=datetime.utcnow() + timedelta(days=_life_days(user)),
         **hot_values(cleaned),
     )
+    if _blocklist_hit(title, body):
+        listing.status = ListingStatus.flagged
     _apply_location(listing, zip_code)
     db.session.add(listing)
     db.session.commit()
@@ -91,6 +103,8 @@ def update_listing(listing, category, *, title, body, lang, price_cents,
     listing.attributes = cleaned
     for col, val in hot_values(cleaned).items():
         setattr(listing, col, val)
+    if listing.status == ListingStatus.active and _blocklist_hit(title, body):
+        listing.status = ListingStatus.flagged
     _apply_location(listing, zip_code)
     db.session.commit()
     return listing
diff --git a/app/services/moderation.py b/app/services/moderation.py
new file mode 100644
index 0000000..4c77725
--- /dev/null
+++ b/app/services/moderation.py
@@ -0,0 +1,43 @@
+"""Admin listing moderation: flag queue + approve/hide/remove actions.
+
+Each action mutates the listing + calls audit.log_action; caller commits
+(mirrors services/admin_users.py).
+"""
+from app.extensions import db
+from app.models.listing import Listing
+from app.models.enums import ListingStatus
+from app.services import audit
+
+# A listing is in the moderation queue if it's already flagged, or it's
+# still active but has accumulated reports below the auto-flag threshold.
+QUEUE_FILTER = db.or_(
+    Listing.status == ListingStatus.flagged,
+    db.and_(Listing.status == ListingStatus.active, Listing.flag_count > 0),
+)
+
+
+def flag_queue(*, page=1, per_page=25):
+    return (Listing.query.filter(QUEUE_FILTER)
+            .order_by(Listing.flag_count.desc(), Listing.updated_at.desc())
+            .paginate(page=page, per_page=per_page, error_out=False))
+
+
+def approve(listing, *, actor):
+    """Clear flags, restore to active. Caller commits."""
+    old = listing.flag_count
+    listing.status = ListingStatus.active
+    listing.flag_count = 0
+    audit.log_action(actor, "listing.approved", "listing", listing.id,
+                      meta={"cleared_flags": old})
+
+
+def hide(listing, *, actor):
+    """Manually flag for review without removing. Caller commits."""
+    listing.status = ListingStatus.flagged
+    audit.log_action(actor, "listing.hidden", "listing", listing.id)
+
+
+def remove(listing, *, actor):
+    """Permanently remove from the marketplace (status flip, not a hard delete). Caller commits."""
+    listing.status = ListingStatus.removed
+    audit.log_action(actor, "listing.removed", "listing", listing.id)
diff --git a/app/services/reports.py b/app/services/reports.py
new file mode 100644
index 0000000..d2cd181
--- /dev/null
+++ b/app/services/reports.py
@@ -0,0 +1,32 @@
+"""User-submitted listing reports + flag-count threshold auto-flag."""
+from sqlalchemy.exc import IntegrityError
+from app.extensions import db
+from app.models.report import Report
+from app.models.enums import ListingStatus, ReportReason
+from app.services.settings import get_setting
+
+
+class ReportError(ValueError):
+    pass
+
+
+def create_report(listing, reporter, reason: ReportReason, note=None):
+    """Record a report, bump flag_count, auto-flag at threshold. Commits."""
+    if listing.user_id == reporter.id:
+        raise ReportError("cannot report your own listing")
+
+    report = Report(listing_id=listing.id, reporter_id=reporter.id,
+                    reason=reason, note=(note or "").strip() or None)
+    db.session.add(report)
+    try:
+        db.session.commit()
+    except IntegrityError:
+        db.session.rollback()
+        raise ReportError("you have already reported this listing")
+
+    listing.flag_count = (listing.flag_count or 0) + 1
+    threshold = get_setting("flag_threshold", 5)
+    if listing.flag_count >= threshold and listing.status == ListingStatus.active:
+        listing.status = ListingStatus.flagged
+    db.session.commit()
+    return report
diff --git a/app/static/style.css b/app/static/style.css
index f0d89f6..36e872e 100644
--- a/app/static/style.css
+++ b/app/static/style.css
@@ -198,3 +198,6 @@ table.list td{padding:8px 10px;border-bottom:1px solid var(--line)}
 .kpi-value{font-size:26px;font-weight:800}
 .admin-filter-row{display:flex;gap:12px;align-items:end;margin-bottom:16px;flex-wrap:wrap}
 .admin-filter-row .field{margin-bottom:0}
+.report-form{display:flex;flex-direction:column;gap:6px;margin-top:10px}
+.settings-panel{margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--line)}
+.settings-panel textarea.input{min-height:80px;font-family:inherit}
diff --git a/app/templates/admin/_nav.html b/app/templates/admin/_nav.html
index 345aab2..ce91b41 100644
--- a/app/templates/admin/_nav.html
+++ b/app/templates/admin/_nav.html
@@ -1,4 +1,6 @@
 <nav class="admin-nav">
   <a href="{{ url_for('admin.dashboard') }}" class="{{ 'on' if request.endpoint == 'admin.dashboard' else '' }}">{{ _('Dashboard') }}</a>
   <a href="{{ url_for('admin.users') }}" class="{{ 'on' if request.endpoint in ('admin.users', 'admin.user_detail') else '' }}">{{ _('Users') }}</a>
+  <a href="{{ url_for('admin.listings') }}" class="{{ 'on' if request.endpoint == 'admin.listings' else '' }}">{{ _('Listings') }}</a>
+  <a href="{{ url_for('admin.reports') }}" class="{{ 'on' if request.endpoint == 'admin.reports' else '' }}">{{ _('Reports') }}</a>
 </nav>
diff --git a/app/templates/admin/listings.html b/app/templates/admin/listings.html
new file mode 100644
index 0000000..28268db
--- /dev/null
+++ b/app/templates/admin/listings.html
@@ -0,0 +1,53 @@
+{% extends "base.html" %}
+{% block title %}{{ _('Admin · Listings') }}{% endblock %}
+{% block content %}
+{% include "admin/_nav.html" %}
+<div class="card">
+  <h2>{{ _('Moderation settings') }}</h2>
+  <form method="post" action="{{ url_for('admin.listings_settings') }}" class="settings-panel">
+    <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
+    <div class="field">
+      <label>{{ _('Auto-flag threshold (distinct reports)') }}</label>
+      <input class="input" type="number" name="flag_threshold" value="{{ flag_threshold }}" min="1">
+    </div>
+    <div class="field">
+      <label>{{ _('Keyword blocklist (one per line)') }}</label>
+      <textarea class="input" name="keyword_blocklist">{{ keyword_blocklist|join('\n') }}</textarea>
+    </div>
+    <button class="btn" type="submit">{{ _('Save settings') }}</button>
+  </form>
+
+  <h2>{{ _('Flag queue') }}</h2>
+  {% if not pagination.items %}<p class="muted">{{ _('No flagged listings.') }}</p>{% endif %}
+  <table class="list">
+    {% for l in pagination.items %}
+    <tr>
+      <td><a href="{{ url_for('listings.detail', listing_id=l.id) }}">{{ l.title }}</a></td>
+      <td>{{ l.flag_count }} {{ _('flags') }}</td>
+      <td><span class="badge {{ 'warn' if l.status.value == 'flagged' else 'ok' }}">{{ l.status.value }}</span></td>
+      <td class="muted small">{{ l.created_at.strftime('%Y-%m-%d') }}</td>
+      <td>
+        <form method="post" action="{{ url_for('admin.approve_listing', listing_id=l.id) }}" style="display:inline">
+          <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
+          <button class="btn tiny" type="submit">{{ _('Approve') }}</button>
+        </form>
+        <form method="post" action="{{ url_for('admin.hide_listing', listing_id=l.id) }}" style="display:inline">
+          <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
+          <button class="btn ghost tiny" type="submit">{{ _('Hide') }}</button>
+        </form>
+        <form method="post" action="{{ url_for('admin.remove_listing', listing_id=l.id) }}" style="display:inline"
+              onsubmit="return confirm('{{ _('Remove this listing?') }}');">
+          <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
+          <button class="btn danger tiny" type="submit">{{ _('Remove') }}</button>
+        </form>
+      </td>
+    </tr>
+    {% endfor %}
+  </table>
+
+  <div class="pager">
+    {% if pagination.has_prev %}<a href="{{ url_for('admin.listings', **merge_query(page=pagination.prev_num)) }}">&larr; {{ _('Prev') }}</a>{% endif %}
+    {% if pagination.has_next %}<a href="{{ url_for('admin.listings', **merge_query(page=pagination.next_num)) }}">{{ _('Next') }} &rarr;</a>{% endif %}
+  </div>
+</div>
+{% endblock %}
diff --git a/app/templates/admin/reports.html b/app/templates/admin/reports.html
new file mode 100644
index 0000000..703a310
--- /dev/null
+++ b/app/templates/admin/reports.html
@@ -0,0 +1,30 @@
+{% extends "base.html" %}
+{% block title %}{{ _('Admin · Reports') }}{% endblock %}
+{% block content %}
+{% include "admin/_nav.html" %}
+<div class="card">
+  <h2>{{ _('Open reports') }}</h2>
+  {% if not reports %}<p class="muted">{{ _('No open reports.') }}</p>{% endif %}
+  <table class="list">
+    {% for r in reports %}
+    <tr>
+      <td><a href="{{ url_for('listings.detail', listing_id=r.listing_id) }}">{{ r.listing.title }}</a></td>
+      <td>{{ r.reporter.display_name }}</td>
+      <td><span class="badge cat">{{ r.reason.value }}</span></td>
+      <td class="muted small">{{ r.note or '—' }}</td>
+      <td class="muted small">{{ r.created_at.strftime('%Y-%m-%d') }}</td>
+      <td>
+        <form method="post" action="{{ url_for('admin.dismiss_report', report_id=r.id) }}" style="display:inline">
+          <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
+          <button class="btn ghost tiny" type="submit">{{ _('Dismiss') }}</button>
+        </form>
+        <form method="post" action="{{ url_for('admin.escalate_report', report_id=r.id) }}" style="display:inline">
+          <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
+          <button class="btn tiny" type="submit">{{ _('Escalate') }}</button>
+        </form>
+      </td>
+    </tr>
+    {% endfor %}
+  </table>
+</div>
+{% endblock %}
diff --git a/app/templates/listings/detail.html b/app/templates/listings/detail.html
index 4915db4..00699c9 100644
--- a/app/templates/listings/detail.html
+++ b/app/templates/listings/detail.html
@@ -62,6 +62,17 @@
           <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
           <button class="btn ghost" type="submit">{{ _('♥ Save listing') }}</button>
         </form>
+        <form method="post" class="report-form"
+              action="{{ url_for('listings.report', listing_id=listing.id) }}">
+          <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
+          <select class="input" name="reason">
+            {% for r in ['spam', 'scam', 'offensive', 'duplicate', 'miscategorized', 'other'] %}
+              <option value="{{ r }}">{{ r }}</option>
+            {% endfor %}
+          </select>
+          <input class="input" name="note" placeholder="{{ _('Optional note') }}">
+          <button class="btn ghost tiny" type="submit">{{ _('Report listing') }}</button>
+        </form>
       {% else %}
         <a class="btn" href="{{ url_for('auth.login') }}?next={{ request.path }}">
           {{ _('Sign in to contact') }}
diff --git a/migrations/versions/482a73a8c5bb_reports_table.py b/migrations/versions/482a73a8c5bb_reports_table.py
new file mode 100644
index 0000000..f357919
--- /dev/null
+++ b/migrations/versions/482a73a8c5bb_reports_table.py
@@ -0,0 +1,47 @@
+"""reports table
+
+Revision ID: 482a73a8c5bb
+Revises: 74911acb8bfa
+Create Date: 2026-06-16 12:07:15.936172
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '482a73a8c5bb'
+down_revision = '74911acb8bfa'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('reports',
+    sa.Column('id', sa.BigInteger().with_variant(sa.Integer(), 'sqlite'), autoincrement=True, nullable=False),
+    sa.Column('listing_id', sa.BigInteger().with_variant(sa.Integer(), 'sqlite'), nullable=False),
+    sa.Column('reporter_id', sa.BigInteger().with_variant(sa.Integer(), 'sqlite'), nullable=False),
+    sa.Column('reason', sa.Enum('spam', 'scam', 'offensive', 'duplicate', 'miscategorized', 'other', name='reportreason'), nullable=False),
+    sa.Column('note', sa.Text(), nullable=True),
+    sa.Column('created_at', sa.DateTime(), nullable=False),
+    sa.ForeignKeyConstraint(['listing_id'], ['listings.id'], ),
+    sa.ForeignKeyConstraint(['reporter_id'], ['users.id'], ),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('reporter_id', 'listing_id', name='uq_report_reporter_listing')
+    )
+    with op.batch_alter_table('reports', schema=None) as batch_op:
+        batch_op.create_index(batch_op.f('ix_reports_listing_id'), ['listing_id'], unique=False)
+        batch_op.create_index(batch_op.f('ix_reports_reporter_id'), ['reporter_id'], unique=False)
+
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('reports', schema=None) as batch_op:
+        batch_op.drop_index(batch_op.f('ix_reports_reporter_id'))
+        batch_op.drop_index(batch_op.f('ix_reports_listing_id'))
+
+    op.drop_table('reports')
+    # ### end Alembic commands ###
diff --git a/tests/test_smoke.py b/tests/test_smoke.py
index 7cd70c8..5272f36 100644
--- a/tests/test_smoke.py
+++ b/tests/test_smoke.py
@@ -489,6 +489,12 @@ def _phase6(app):
     from app.services import admin_users as usvc
     from app.services import admin_dashboard as dash
     from app.services.settings import get_setting, set_setting
+    from app.models.report import Report
+    from app.models.category import Category
+    from app.models.enums import ListingStatus, ReportReason
+    from app.services import listings as lsvc
+    from app.services import reports as rsvc
+    from app.services import moderation as msvc
 
     with app.app_context():
         admin = User(email="admin@example.com", display_name="Admin",
@@ -547,6 +553,95 @@ def _phase6(app):
         usvc.set_status(target, UserStatus.active, actor=admin)
         db.session.commit()
 
+        # --- keyword blocklist: auto-flag on create ---
+        for_sale = Category.query.filter_by(slug="for-sale").first()
+        set_setting("keyword_blocklist", ["viagra"])
+        db.session.commit()
+        spammy = lsvc.create_listing(target, for_sale, title="Cheap meds",
+                                     body="Buy real viagra online cheap",
+                                     lang="en", price_cents=500, zip_code="92683",
+                                     raw_attributes={"condition": "new"})
+        assert spammy.status == ListingStatus.flagged
+        print("keyword blocklist auto-flags on create: ok")
+
+        # --- keyword blocklist: auto-flag on update ---
+        clean = lsvc.create_listing(target, for_sale, title="Clean Listing",
+                                    body="A perfectly normal item for sale.",
+                                    lang="en", price_cents=500, zip_code="92683",
+                                    raw_attributes={"condition": "new"})
+        assert clean.status == ListingStatus.active
+        lsvc.update_listing(clean, for_sale, title="Clean Listing",
+                            body="Now selling viagra too", lang="en",
+                            price_cents=500, zip_code="92683",
+                            raw_attributes={"condition": "new"})
+        assert clean.status == ListingStatus.flagged
+        print("keyword blocklist auto-flags on update: ok")
+        set_setting("keyword_blocklist", [])
+        db.session.commit()
+
+        # --- reports: self-report blocked ---
+        report_target = lsvc.create_listing(target, for_sale, title="Reportable Item",
+                                             body="Nothing wrong with this one.",
+                                             lang="en", price_cents=1000, zip_code="92683",
+                                             raw_attributes={"condition": "new"})
+        try:
+            rsvc.create_report(report_target, target, ReportReason.spam)
+            assert False, "expected self-report to be blocked"
+        except rsvc.ReportError as e:
+            assert "own listing" in str(e)
+        print("self-report blocked: ok")
+
+        # --- reports: duplicate report blocked ---
+        buyer = User.query.filter_by(email="buyer@example.com").first()
+        rsvc.create_report(report_target, buyer, ReportReason.spam, note="looks fake")
+        try:
+            rsvc.create_report(report_target, buyer, ReportReason.scam)
+            assert False, "expected duplicate report to be blocked"
+        except rsvc.ReportError as e:
+            assert "already reported" in str(e)
+        print("duplicate report blocked: ok")
+
+        # --- reports: threshold auto-flags ---
+        set_setting("flag_threshold", 2)
+        db.session.commit()
+        assert report_target.flag_count == 1
+        assert report_target.status == ListingStatus.active
+        rsvc.create_report(report_target, admin, ReportReason.scam)
+        assert report_target.flag_count == 2
+        assert report_target.status == ListingStatus.flagged
+        print(f"report threshold auto-flag: ok (flag_count={report_target.flag_count})")
+
+        # --- moderation actions + audit log ---
+        msvc.approve(report_target, actor=admin)
+        db.session.commit()
+        assert report_target.status == ListingStatus.active and report_target.flag_count == 0
+        assert AuditLog.query.filter_by(action="listing.approved",
+                                        target_id=report_target.id).count() == 1
+        print("moderation approve + audit log: ok")
+
+        msvc.hide(spammy, actor=admin)
+        db.session.commit()
+        assert spammy.status == ListingStatus.flagged
+        assert AuditLog.query.filter_by(action="listing.hidden",
+                                        target_id=spammy.id).count() == 1
+        print("moderation hide + audit log: ok")
+
+        msvc.remove(clean, actor=admin)
+        db.session.commit()
+        assert clean.status == ListingStatus.removed
+        assert AuditLog.query.filter_by(action="listing.removed",
+                                        target_id=clean.id).count() == 1
+        print("moderation remove + audit log: ok")
+
+        # lower threshold to 1 so a single HTTP report flips status for the next check
+        set_setting("flag_threshold", 1)
+        http_listing = lsvc.create_listing(target, for_sale, title="HTTP Report Test",
+                                           body="Totally fine listing.", lang="en",
+                                           price_cents=750, zip_code="92683",
+                                           raw_attributes={"condition": "new"})
+        http_listing_id = http_listing.id
+        db.session.commit()
+
     # --- route checks ---
     c = app.test_client(); B = "https://localhost"
 
@@ -562,15 +657,17 @@ def _phase6(app):
 
     # non-admin gets 403
     login("t@example.com", "NewPass456")
-    assert c.get("/admin", base_url=B).status_code == 403
-    print("non-admin /admin -> 403: ok")
+    for path in ("/admin", "/admin/listings", "/admin/reports"):
+        assert c.get(path, base_url=B).status_code == 403
+    print("non-admin /admin* -> 403: ok")
     c.get("/auth/logout", base_url=B)
 
-    # admin gets 200 on dashboard/users/user_detail
+    # admin gets 200 on dashboard/users/user_detail/listings/reports
     login("admin@example.com", "AdminPass123")
     with app.app_context():
         target_id = User.query.filter_by(email="t@example.com").first().id
-    for path in ("/admin", "/admin/users", f"/admin/users/{target_id}"):
+    for path in ("/admin", "/admin/users", f"/admin/users/{target_id}",
+                "/admin/listings", "/admin/reports"):
         code = c.get(path, base_url=B).status_code
         assert code == 200, f"{path} -> {code}"
         print(f"{code}  {path}")
@@ -590,6 +687,34 @@ def _phase6(app):
     assert "suspended" in r.get_data(as_text=True).lower()
     print("banned user login rejected: ok")
 
+    # buyer reports a listing via the real HTTP route
+    c.get("/auth/logout", base_url=B)
+    login("buyer@example.com", "BuyerPass123")
+    r = c.get(f"/listings/{http_listing_id}", base_url=B)
+    tok = csrf(r.get_data(as_text=True))
+    c.post(f"/listings/{http_listing_id}/report", base_url=B,
+          data={"csrf_token": tok, "reason": "spam", "note": "test report"},
+          headers={"Referer": B + f"/listings/{http_listing_id}"}, follow_redirects=True)
+    with app.app_context():
+        rep = Report.query.filter_by(listing_id=http_listing_id).first()
+        assert rep is not None and rep.reason == ReportReason.spam
+        report_id = rep.id
+        assert db.session.get(Listing, http_listing_id).status == ListingStatus.flagged
+    print("user-facing report route: ok")
+
+    # admin sees it in the open reports queue, dismisses it, it disappears
+    c.get("/auth/logout", base_url=B)
+    login("admin@example.com", "AdminPass123")
+    r = c.get("/admin/reports", base_url=B)
+    assert "HTTP Report Test" in r.get_data(as_text=True)
+    tok = csrf(r.get_data(as_text=True))
+    c.post(f"/admin/reports/{report_id}/dismiss", base_url=B,
+          data={"csrf_token": tok},
+          headers={"Referer": B + "/admin/reports"}, follow_redirects=True)
+    r2 = c.get("/admin/reports", base_url=B)
+    assert "HTTP Report Test" not in r2.get_data(as_text=True)
+    print("report dismiss hides from open queue: ok")
+
     # restore target to active for cleanliness (not strictly needed, smoke ends here)
     with app.app_context():
         u = User.query.filter_by(email="t@example.com").first()