diff --git a/central/app/control_plane.py b/central/app/control_plane.py
index a233811..ad2116d 100644
--- a/central/app/control_plane.py
+++ b/central/app/control_plane.py
@@ -117,13 +117,19 @@ def _attention_item(item, problem, timestamp, *, rank, link=None, now=None):
 
 
 def installation_view(installation, agent, tenant, snapshot=None, *, now=None):
+    has_snapshot = snapshot is not None
     snapshot = snapshot or AgentSnapshot(installation_id=installation.id)
     health, reason = compute_agent_health(installation, now=now, supplemental=snapshot)
     version_drift = snapshot.version_drift
-    if version_drift == "UNKNOWN":
+    if not version_drift or version_drift == "UNKNOWN":
         version_drift = compute_version_drift(agent.agent_version)
     fiscal_status = _fiscal_status(snapshot)
     coverage_partition = _coverage_partition(snapshot)
+    if not has_snapshot:
+        # No heartbeat/snapshot yet (e.g. an enrollment-only E2E row): expose
+        # no counts at all rather than fabricated zeros — the UI shows
+        # "Não informado" instead of None/0.
+        coverage_partition = {"unclassified_products": None, "coverage_overcount_products": 0, "coverage_invalid_counts": False, "coverage_invariant_pass": True}
     version_drift_label = {"CURRENT": "Atualizada", "OUTDATED": "Desatualizada", "UNKNOWN": "Desconhecida"}.get(version_drift, str(version_drift))
     agent_version_display = f"{agent.agent_version} · {version_drift_label}" if agent.agent_version else "Desconhecida"
     return {
@@ -153,15 +159,15 @@ def installation_view(installation, agent, tenant, snapshot=None, *, now=None):
         "last_seen_age": format_age(installation.last_seen_at, now),
         "started_at": _iso(installation.started_at),
         "last_status": installation.last_status,
-        "total_products": snapshot.total_products,
-        "fiscally_complete": snapshot.fiscally_complete,
-        "safe_blocked": snapshot.safe_blocked,
-        "failed_products": snapshot.failed_products,
+        "total_products": snapshot.total_products if has_snapshot else None,
+        "fiscally_complete": snapshot.fiscally_complete if has_snapshot else None,
+        "safe_blocked": snapshot.safe_blocked if has_snapshot else None,
+        "failed_products": snapshot.failed_products if has_snapshot else None,
         **coverage_partition,
-        "coverage_percent": snapshot.coverage_percent,
-        "fiscal_completion_percent": _fiscal_completion(snapshot),
-        "fiscal_status": fiscal_status,
-        "fiscal_status_label": fiscal_status.title(),
+        "coverage_percent": snapshot.coverage_percent if has_snapshot else None,
+        "fiscal_completion_percent": _fiscal_completion(snapshot) if has_snapshot else None,
+        "fiscal_status": fiscal_status if has_snapshot else "UNKNOWN",
+        "fiscal_status_label": fiscal_status.title() if has_snapshot else "Não informado",
         "blockers": snapshot.blockers or {},
         "last_job_status": snapshot.last_job_status,
         "last_job_at": _iso(snapshot.last_job_at),
diff --git a/central/app/web.py b/central/app/web.py
index 0a67e01..cf2b66e 100644
--- a/central/app/web.py
+++ b/central/app/web.py
@@ -161,53 +161,10 @@ def router(session_factory):
             return render(request, "agents.html", {"result": list_installations(session, page=page, page_size=50, search=search, health=health, sort=sort), "auth": auth_data, "search": search or "", "health_filter": health or "", "sort": sort, "query_base": query_base(search=search, health=health, sort=sort)})
         finally: session.close()
 
-    @routes.get("/agents/{agent_id}", response_class=HTMLResponse)
-    def agent_detail(request: Request, agent_id: int, tab: str = "overview", event_page: int = 1, severity: str | None = None, event_type: str | None = None, job_id: int | None = None, product_code: str | None = None, since: str | None = None, until: str | None = None):
-        session, auth_data, redirect = page_auth(request)
-        if redirect: return redirect
-        try:
-            row = session.execute(select(Installation, Agent, Tenant, AgentSnapshot).join(Agent, Agent.id == Installation.agent_id).join(Tenant, Tenant.id == Installation.tenant_id).outerjoin(AgentSnapshot, AgentSnapshot.installation_id == Installation.id).where(Agent.id == agent_id)).first()
-            if row is None: return HTMLResponse("Agent not found", status_code=404)
-            installation, agent, tenant, snapshot = row
-            detail = installation_view(installation, agent, tenant, snapshot)
-            event_page = max(1, event_page)
-            events = list_panel_events(session, installation.id, page=event_page, page_size=25, include_more=True, severity=severity, event_type=event_type, job_id=job_id, product_code=product_code, since=date_filter(since), until=date_filter(until, end_of_day=True))
-            has_more = len(events) > 25
-            events = events[:25]
-            for event in events:
-                event["occurred_display"] = format_ui_datetime(datetime.fromisoformat(event["occurred_at"]) if event["occurred_at"] else None)
-            agent_blockers = list_blockers(session, tenant_id=installation.tenant_id, agent_id=agent_id, page=1, page_size=25)
-            return render(request, "agent_detail.html", {"detail": detail, "tab": tab, "blockers": agent_blockers, "blocker_breakdown": blocker_filter_summary(session, tenant_id=installation.tenant_id, agent_id=agent_id, status="OPEN")["blocker_breakdown"], "jobs": list_jobs(session, agent_id=agent_id, page=1, page_size=25), "events": events, "event_page": max(1, event_page), "has_more": has_more, "severity": severity or "", "event_type": event_type or "", "job_id": job_id or "", "product_code": product_code or "", "since": since or "", "until": until or "", "event_query_base": query_base(tab=tab, severity=severity, event_type=event_type, job_id=job_id, product_code=product_code, since=since, until=until), "auth": auth_data, "csrf_token": request.cookies.get("gti_csrf", "")})
-        finally: session.close()
-
-    @routes.get("/agents/{agent_id}/reprocess-confirmation", response_class=HTMLResponse)
-    def reprocess_confirmation(request: Request, agent_id: int):
-        session, auth_data, redirect = page_auth(request)
-        if redirect: return redirect
-        try:
-            if not session.scalar(select(Agent.id).where(Agent.id == agent_id)):
-                return HTMLResponse("Agent not found", status_code=404)
-            return render(request, "reprocess_confirmation.html", {"agent_id": agent_id, "auth": auth_data})
-        finally: session.close()
-
-    @routes.post("/agents/{agent_id}/reprocess")
-    async def reprocess_agent(request: Request, agent_id: int):
-        session, auth_data, redirect = page_auth(request)
-        if redirect: return redirect
-        try:
-            values = await form_values(request); web_session, admin = auth_data
-            require_csrf(web_session, values.get("csrf_token"))
-            if values.get("confirm") != "yes": return render(request, "reprocess_confirmation.html", {"agent_id": agent_id, "auth": auth_data, "error": "Confirme explicitamente o reprocessamento."}, 400)
-            agent = session.get(Agent, agent_id)
-            installation = session.scalar(select(Installation).where(Installation.agent_id == agent_id))
-            if not agent or not installation: return HTMLResponse("Agent not found", status_code=404)
-            existing = next((candidate for candidate in session.scalars(select(Job).where(Job.agent_id == agent.id, Job.kind == "REPROCESS_ALL", Job.status == "PENDING")).all() if candidate.payload == {}), None)
-            job = existing or create_job(session, agent, "REPROCESS_ALL", {})
-            record_audit(session, admin_user_id=admin.id, tenant_id=installation.tenant_id, action="REPROCESS_ALL", target_type="installation", target_id=installation.installation_id, context={"job_id": job.id})
-            session.commit()
-            return RedirectResponse(f"/agents/{agent_id}?tab=jobs", status_code=303)
-        finally: session.close()
-
+    # --- Static /agents/* routes MUST be declared before /agents/{agent_id}:
+    # Starlette matches in registration order, so a dynamic route declared
+    # first would capture "/agents/new" and "/agents/releases" and fail the
+    # int conversion with a 422 (the production bug this ordering prevents).
     @routes.get("/agents/releases", response_class=HTMLResponse)
     def agent_releases(request: Request):
         session, auth_data, redirect = page_auth(request)
@@ -274,6 +231,60 @@ def router(session_factory):
             return RedirectResponse(f"/agents/pending/{enrollment_uuid}", status_code=303)
         finally: session.close()
 
+    @routes.get("/agents/{agent_id}", response_class=HTMLResponse)
+    def agent_detail(request: Request, agent_id: str, tab: str = "overview", event_page: int = 1, severity: str | None = None, event_type: str | None = None, job_id: int | None = None, product_code: str | None = None, since: str | None = None, until: str | None = None):
+        # agent_id is parsed here (not typed int in the path) so a non-numeric
+        # slug like /agents/abc gets a controlled HTML 404 instead of a raw
+        # 422 — and can never shadow the static routes above.
+        try:
+            agent_id = int(agent_id)
+        except ValueError:
+            return HTMLResponse("Agent não encontrado (identificador inválido)", status_code=404)
+        session, auth_data, redirect = page_auth(request)
+        if redirect: return redirect
+        try:
+            row = session.execute(select(Installation, Agent, Tenant, AgentSnapshot).join(Agent, Agent.id == Installation.agent_id).join(Tenant, Tenant.id == Installation.tenant_id).outerjoin(AgentSnapshot, AgentSnapshot.installation_id == Installation.id).where(Agent.id == agent_id)).first()
+            if row is None: return HTMLResponse("Agent not found", status_code=404)
+            installation, agent, tenant, snapshot = row
+            detail = installation_view(installation, agent, tenant, snapshot)
+            event_page = max(1, event_page)
+            events = list_panel_events(session, installation.id, page=event_page, page_size=25, include_more=True, severity=severity, event_type=event_type, job_id=job_id, product_code=product_code, since=date_filter(since), until=date_filter(until, end_of_day=True))
+            has_more = len(events) > 25
+            events = events[:25]
+            for event in events:
+                event["occurred_display"] = format_ui_datetime(datetime.fromisoformat(event["occurred_at"]) if event["occurred_at"] else None)
+            agent_blockers = list_blockers(session, tenant_id=installation.tenant_id, agent_id=agent_id, page=1, page_size=25)
+            return render(request, "agent_detail.html", {"detail": detail, "tab": tab, "blockers": agent_blockers, "blocker_breakdown": blocker_filter_summary(session, tenant_id=installation.tenant_id, agent_id=agent_id, status="OPEN")["blocker_breakdown"], "jobs": list_jobs(session, agent_id=agent_id, page=1, page_size=25), "events": events, "event_page": max(1, event_page), "has_more": has_more, "severity": severity or "", "event_type": event_type or "", "job_id": job_id or "", "product_code": product_code or "", "since": since or "", "until": until or "", "event_query_base": query_base(tab=tab, severity=severity, event_type=event_type, job_id=job_id, product_code=product_code, since=since, until=until), "auth": auth_data, "csrf_token": request.cookies.get("gti_csrf", "")})
+        finally: session.close()
+
+    @routes.get("/agents/{agent_id}/reprocess-confirmation", response_class=HTMLResponse)
+    def reprocess_confirmation(request: Request, agent_id: int):
+        session, auth_data, redirect = page_auth(request)
+        if redirect: return redirect
+        try:
+            if not session.scalar(select(Agent.id).where(Agent.id == agent_id)):
+                return HTMLResponse("Agent not found", status_code=404)
+            return render(request, "reprocess_confirmation.html", {"agent_id": agent_id, "auth": auth_data})
+        finally: session.close()
+
+    @routes.post("/agents/{agent_id}/reprocess")
+    async def reprocess_agent(request: Request, agent_id: int):
+        session, auth_data, redirect = page_auth(request)
+        if redirect: return redirect
+        try:
+            values = await form_values(request); web_session, admin = auth_data
+            require_csrf(web_session, values.get("csrf_token"))
+            if values.get("confirm") != "yes": return render(request, "reprocess_confirmation.html", {"agent_id": agent_id, "auth": auth_data, "error": "Confirme explicitamente o reprocessamento."}, 400)
+            agent = session.get(Agent, agent_id)
+            installation = session.scalar(select(Installation).where(Installation.agent_id == agent_id))
+            if not agent or not installation: return HTMLResponse("Agent not found", status_code=404)
+            existing = next((candidate for candidate in session.scalars(select(Job).where(Job.agent_id == agent.id, Job.kind == "REPROCESS_ALL", Job.status == "PENDING")).all() if candidate.payload == {}), None)
+            job = existing or create_job(session, agent, "REPROCESS_ALL", {})
+            record_audit(session, admin_user_id=admin.id, tenant_id=installation.tenant_id, action="REPROCESS_ALL", target_type="installation", target_id=installation.installation_id, context={"job_id": job.id})
+            session.commit()
+            return RedirectResponse(f"/agents/{agent_id}?tab=jobs", status_code=303)
+        finally: session.close()
+
     def _pending_or_404(session, enrollment_uuid):
         return session.scalar(select(AgentEnrollment).where(AgentEnrollment.enrollment_uuid == enrollment_uuid))
 
diff --git a/central/templates/agent_detail.html b/central/templates/agent_detail.html
index 516fb42..2101ff4 100644
--- a/central/templates/agent_detail.html
+++ b/central/templates/agent_detail.html
@@ -2,8 +2,8 @@
 {% block title %}{{ detail.display_name }} | GTI Fiscal{% endblock %}
 {% block content %}
 <div class="detail-head"><div><p class="eyebrow">{{ detail.client or "Cliente não identificado" }} / INSTALAÇÃO</p><h1>{{ detail.display_name or detail.hostname or detail.installation_id }}</h1><p class="muted">{{ detail.hostname or "hostname indisponível" }}</p></div><div class="badge-stack"><span class="badge {{ detail.technical_health|lower }} large">Saúde técnica: {{ detail.technical_health_label }}</span><span class="badge fiscal-{{ detail.fiscal_status|lower }} large">Status fiscal: {{ detail.fiscal_status_label }}</span></div></div>
-<section class="cards"><article class="metric"><span>Produtos</span><strong>{{ detail.total_products }}</strong></article><article class="metric"><span>Completos</span><strong>{{ detail.fiscally_complete }}</strong></article><article class="metric"><span>Bloqueados com segurança</span><strong>{{ detail.safe_blocked }}</strong></article><article class="metric"><span>Falhas técnicas</span><strong>{{ detail.failed_products }}</strong></article><article class="metric"><span>Não classificados</span><strong>{{ detail.unclassified_products }}</strong></article><article class="metric"><span>Cobertura fiscal</span><strong>{{ "%.1f"|format(detail.fiscal_completion_percent)|replace(".", ",") }}%</strong><small>{{ detail.fiscally_complete }} / {{ detail.total_products }} completos</small></article></section>
-{% if detail.coverage_invariant_pass %}<p class="coverage-status">Cobertura reconciliada para este servidor.</p>{% else %}<p class="coverage-status error">Inconsistência de cobertura: {{ detail.coverage_overcount_products }} acima do total{% if detail.coverage_invalid_counts %}; existem contagens negativas{% endif %}.</p>{% endif %}
+<section class="cards"><article class="metric"><span>Produtos</span><strong>{{ detail.total_products if detail.total_products is not none else "Não informado" }}</strong></article><article class="metric"><span>Completos</span><strong>{{ detail.fiscally_complete if detail.fiscally_complete is not none else "Não informado" }}</strong></article><article class="metric"><span>Bloqueados com segurança</span><strong>{{ detail.safe_blocked if detail.safe_blocked is not none else "Não informado" }}</strong></article><article class="metric"><span>Falhas técnicas</span><strong>{{ detail.failed_products if detail.failed_products is not none else "Não informado" }}</strong></article><article class="metric"><span>Não classificados</span><strong>{{ detail.unclassified_products if detail.unclassified_products is not none else "Não informado" }}</strong></article><article class="metric"><span>Cobertura fiscal</span>{% if detail.fiscal_completion_percent is none %}<strong>Não informado</strong><small>nenhum snapshot recebido</small>{% else %}<strong>{{ "%.1f"|format(detail.fiscal_completion_percent)|replace(".", ",") }}%</strong><small>{{ detail.fiscally_complete }} / {{ detail.total_products }} completos</small>{% endif %}</article></section>
+{% if detail.total_products is none %}<p class="coverage-status">Cobertura ainda não informada: nenhum snapshot recebido deste servidor.</p>{% elif detail.coverage_invariant_pass %}<p class="coverage-status">Cobertura reconciliada para este servidor.</p>{% else %}<p class="coverage-status error">Inconsistência de cobertura: {{ detail.coverage_overcount_products }} acima do total{% if detail.coverage_invalid_counts %}; existem contagens negativas{% endif %}.</p>{% endif %}
 <nav class="tabs" aria-label="Seções da instalação">{% for name,label in [("overview","Resumo"),("fiscal","Fiscal"),("blockers","Blockers"),("jobs","Jobs"),("events","Eventos")] %}<a class="{% if tab==name %}active{% endif %}" href="?tab={{ name }}">{{ label }}</a>{% endfor %}</nav>
   <section class="split"><article class="panel"><div class="panel-title"><h2>Contexto da empresa</h2><a class="secondary" href="/agents/{{ detail.agent_id }}/reprocess-confirmation">Reprocessar tudo</a></div><dl class="facts"><dt>Cliente</dt><dd>{{ detail.client or "Não informado" }}</dd><dt>Nome de exibição</dt><dd>{{ detail.display_name or "Não informado" }}</dd><dt>Hostname</dt><dd>{{ detail.hostname or "Não informado" }}</dd><dt>Empresa</dt><dd>{{ detail.company_name or detail.company_code or "Não informado" }}</dd><dt>UF</dt><dd>{{ detail.company_uf or "Não informado" }}</dd><dt>CRT</dt><dd>{{ detail.company_crt or "Não informado" }}</dd><dt>Versão do agent</dt><dd>{{ detail.agent_version_display }}</dd><dt>Último heartbeat</dt><dd title="{{ detail.last_seen_at }}">{{ detail.last_seen_display }} · {{ detail.last_seen_age }}</dd><dt>Firebird</dt><dd>{{ detail.firebird_version or "Não informado" }} · ODS {{ detail.firebird_ods or "Não informado" }}</dd><dt>IDs técnicos</dt><dd>Agent {{ detail.technical_ids.agent_id }} · instalação {{ detail.technical_ids.installation_db_id }}</dd></dl></article>
  <article class="panel"><div class="panel-title"><h2>Eventos recentes</h2><a href="#eventos">Ver eventos</a></div>{% for event in events[:8] %}<div class="event-row"><span class="event-time">{{ event.occurred_display }}</span><span><b>{{ event.event_type }}</b><small>{{ event.message }}{% if event.job_id %} · <a href="/jobs?job_id={{ event.job_id }}">Job {{ event.job_id }}</a>{% endif %}{% if event.product_code %} · <a href="/blockers?agent_id={{ detail.agent_id }}&amp;product_code={{ event.product_code|urlencode }}">Produto {{ event.product_code }}</a>{% endif %}</small></span><em class="severity {{ event.severity|lower }}">Severidade: {{ event.severity }}</em></div>{% else %}<p class="empty-state">Nenhum evento.</p>{% endfor %}</article></section>
diff --git a/central/templates/agents.html b/central/templates/agents.html
index 9a7ee09..0d89968 100644
--- a/central/templates/agents.html
+++ b/central/templates/agents.html
@@ -3,6 +3,6 @@
 {% block content %}
 <div class="page-heading"><div><p class="eyebrow">INVENTÁRIO OPERACIONAL</p><h1>Agents / Servidores</h1><p class="muted">Identidade do cliente primeiro; IDs técnicos ficam no detalhe.</p></div><div><a href="/agents/new" class="botao">+ Nova instalação</a> <a href="/agents/releases" class="secondary">Releases</a></div></div>
 <div class="page-heading"><form class="filters" method="get"><label>Cliente, instalação ou hostname<input name="search" value="{{ search }}"></label><label>Saúde técnica<select name="health"><option value="">Todos</option>{% for value in ["ONLINE","DEGRADED","OFFLINE","FAILED","UNKNOWN"] %}<option value="{{ value }}" {% if health_filter==value %}selected{% endif %}>{{ value|title }}</option>{% endfor %}</select></label><label>Ordenação<select name="sort"><option value="display_name" {% if sort=="display_name" %}selected{% endif %}>Nome de exibição</option><option value="worst_coverage" {% if sort=="worst_coverage" %}selected{% endif %}>Pior cobertura fiscal</option></select></label><button class="secondary" type="submit">Filtrar</button></form></div>
-<div class="panel table-wrap"><table><caption>Instalações monitoradas</caption><thead><tr><th>Cliente</th><th>Nome de exibição</th><th>Hostname</th><th>Saúde técnica</th><th>Status fiscal</th><th>Cobertura fiscal</th><th>Produtos</th><th>Versão</th><th>Último heartbeat</th></tr></thead><tbody>{% for item in result["items"] %}<tr><td><a href="/agents/{{ item.agent_id }}"><b>{{ item.client or "Cliente não identificado" }}</b></a></td><td>{{ item.display_name or "Não informado" }}</td><td>{{ item.hostname or "Não informado" }}</td><td><span class="badge {{ item.technical_health|lower }}">Saúde técnica: {{ item.technical_health_label }}</span></td><td><span class="badge fiscal-{{ item.fiscal_status|lower }}">Status fiscal: {{ item.fiscal_status_label }}</span><small>{{ item.fiscally_complete }} completos · {{ item.safe_blocked }} bloqueados com segurança · {{ item.failed_products }} falhas · {{ item.unclassified_products }} não classificados</small>{% if not item.coverage_invariant_pass %}<small class="error">Inconsistência: {{ item.coverage_overcount_products }} acima do total{% if item.coverage_invalid_counts %}; contagens negativas{% endif %}</small>{% endif %}</td><td><strong>{{ "%.1f"|format(item.fiscal_completion_percent)|replace(".", ",") }}%</strong><small>{{ item.fiscally_complete }} / {{ item.total_products }} completos</small></td><td>{{ item.total_products }}<small>{{ item.failed_products }} falhas técnicas</small></td><td>{{ item.agent_version_display }}</td><td title="{{ item.last_seen_at }}">{{ item.last_seen_display }}<small>{{ item.last_seen_age }}</small></td></tr>{% else %}<tr><td colspan="9" class="empty-state">Nenhuma instalação encontrada.</td></tr>{% endfor %}</tbody></table></div>
+<div class="panel table-wrap"><table><caption>Instalações monitoradas</caption><thead><tr><th>Cliente</th><th>Nome de exibição</th><th>Hostname</th><th>Saúde técnica</th><th>Status fiscal</th><th>Cobertura fiscal</th><th>Produtos</th><th>Versão</th><th>Último heartbeat</th></tr></thead><tbody>{% for item in result["items"] %}<tr><td><a href="/agents/{{ item.agent_id }}"><b>{{ item.client or "Cliente não identificado" }}</b></a></td><td>{{ item.display_name or "Não informado" }}</td><td>{{ item.hostname or "Não informado" }}</td><td><span class="badge {{ item.technical_health|lower }}">Saúde técnica: {{ item.technical_health_label }}</span></td><td><span class="badge fiscal-{{ item.fiscal_status|lower }}">Status fiscal: {{ item.fiscal_status_label }}</span>{% if item.total_products is none %}<small>Cobertura ainda não informada (nenhum snapshot recebido)</small>{% else %}<small>{{ item.fiscally_complete }} completos · {{ item.safe_blocked }} bloqueados com segurança · {{ item.failed_products }} falhas · {{ item.unclassified_products }} não classificados</small>{% if not item.coverage_invariant_pass %}<small class="error">Inconsistência: {{ item.coverage_overcount_products }} acima do total{% if item.coverage_invalid_counts %}; contagens negativas{% endif %}</small>{% endif %}{% endif %}</td><td>{% if item.fiscal_completion_percent is none %}<strong>–</strong><small>Não informado</small>{% else %}<strong>{{ "%.1f"|format(item.fiscal_completion_percent)|replace(".", ",") }}%</strong><small>{{ item.fiscally_complete }} / {{ item.total_products }} completos</small>{% endif %}</td><td>{% if item.total_products is none %}Não informado{% else %}{{ item.total_products }}<small>{{ item.failed_products }} falhas técnicas</small>{% endif %}</td><td>{{ item.agent_version_display }}</td><td title="{{ item.last_seen_at }}">{{ item.last_seen_display }}<small>{{ item.last_seen_age }}</small></td></tr>{% else %}<tr><td colspan="9" class="empty-state">Nenhuma instalação encontrada.</td></tr>{% endfor %}</tbody></table></div>
 <nav class="pagination" aria-label="Paginação de agents">{% if result.page > 1 %}<a href="/agents?page={{ result.page - 1 }}{% if query_base %}&{{ query_base }}{% endif %}">Anterior</a>{% endif %}<span>Página {{ result.page }} · {{ result.total }} instalações</span>{% if result.page * result.page_size < result.total %}<a href="/agents?page={{ result.page + 1 }}{% if query_base %}&{{ query_base }}{% endif %}">Próxima</a>{% endif %}</nav>
 {% endblock %}
diff --git a/central/tests/test_agent_distribution.py b/central/tests/test_agent_distribution.py
index 5b525e2..7a6bf5a 100644
--- a/central/tests/test_agent_distribution.py
+++ b/central/tests/test_agent_distribution.py
@@ -215,6 +215,49 @@ def test_direct_authenticated_download_does_not_need_a_link(hub):
     assert payload["installation_id"] == installation_uuid
 
 
+# ---------- route precedence: /agents/new vs /agents/{agent_id} ----------
+
+def test_get_agents_new_renders_form_not_captured_by_dynamic_route(hub):
+    client, factory = hub
+    publish_release(factory)
+    login(client)
+    response = client.get("/agents/new")
+    assert response.status_code == 200
+    assert "text/html" in response.headers["content-type"]
+    assert "Nova instalação" in response.text
+    assert "Criar instalação" in response.text
+
+
+def test_get_agents_releases_page_not_captured_by_dynamic_route(hub):
+    client, _factory = hub
+    login(client)
+    response = client.get("/agents/releases")
+    assert response.status_code == 200
+    assert "text/html" in response.headers["content-type"]
+    assert "Versões do Agent" in response.text
+
+
+def test_get_agent_detail_still_renders_for_valid_numeric_id(hub):
+    client, factory = hub
+    login(client)
+    with factory() as session:
+        agent_id = session.scalar(select(Agent.id))
+    response = client.get(f"/agents/{agent_id}")
+    assert response.status_code == 200
+    assert "text/html" in response.headers["content-type"]
+
+
+def test_get_agents_non_numeric_slug_is_controlled_404_and_never_captures_statics(hub):
+    client, _factory = hub
+    login(client)
+    response = client.get("/agents/abc")
+    assert response.status_code == 404
+    assert "text/html" in response.headers["content-type"]
+    # the legitimate static routes keep working regardless of the slug above
+    assert client.get("/agents/new").status_code == 200
+    assert client.get("/agents/releases").status_code == 200
+
+
 # ---------- download-link security ----------
 
 def _pending(factory, release_id, **overrides):
diff --git a/central/tests/test_control_panel_pages.py b/central/tests/test_control_panel_pages.py
index 6429ff8..f936bcb 100644
--- a/central/tests/test_control_panel_pages.py
+++ b/central/tests/test_control_panel_pages.py
@@ -186,6 +186,27 @@ def test_agents_render_separate_health_and_fiscal_status_with_server_sort():
     assert 'value="worst_coverage"' in response.text
 
 
+def test_agent_list_and_detail_show_nao_informado_when_snapshot_missing():
+    client, agent_id, _ = _panel_client()
+    with client._session_factory() as session:
+        installation = session.scalar(select(Installation).where(Installation.agent_id == agent_id))
+        session.query(AgentSnapshot).filter(AgentSnapshot.installation_id == installation.id).delete()
+        session.commit()
+
+    listing = client.get("/agents")
+    assert listing.status_code == 200
+    assert "None completos" not in listing.text
+    assert "None bloqueados" not in listing.text
+    assert ">None<" not in listing.text
+    assert "Não informado" in listing.text
+
+    detail = client.get(f"/agents/{agent_id}")
+    assert detail.status_code == 200
+    assert ">None<" not in detail.text
+    assert "None completos" not in detail.text
+    assert "Não informado" in detail.text
+
+
 def test_agent_list_hides_technical_uuid_and_explains_remainder():
     client, agent_id, _ = _panel_client()
     with client._session_factory() as session: