diff --git a/apps/api/src/api/v1/ai_governance.py b/apps/api/src/api/v1/ai_governance.py
index 80068027..2620baa1 100644
--- a/apps/api/src/api/v1/ai_governance.py
+++ b/apps/api/src/api/v1/ai_governance.py
@@ -54,6 +54,7 @@ router = APIRouter()
 
 @router.get("/ai/governance/events", response_model=GovernanceEventsResponse)
 async def get_governance_events(
+    event_id: Annotated[list[str] | None, Query(alias="event_id")] = None,
     event_type: Annotated[list[str] | None, Query(alias="event_type")] = None,
     from_: Annotated[datetime | None, Query(alias="from")] = None,
     to: Annotated[datetime | None, Query(alias="to")] = None,
@@ -66,6 +67,7 @@ async def get_governance_events(
     查詢 AI 治理事件列表（分頁）。
 
     - event_type: 多值過濾（可重複傳）
+    - event_id: 多值精準過濾（可重複傳），供 Telegram 詳情 / 歷史與 Work Items 錨點回看
     - from / to: ISO 8601 時間範圍（URL 傳 from 參數）
     - status: resolved / unresolved
     - severity: critical / warning / info（由 event_type 映射決定）
@@ -74,6 +76,7 @@ async def get_governance_events(
     """
     logger.debug(
         "governance_events_request",
+        event_ids=event_id,
         event_types=event_type,
         from_=from_,
         to=to,
@@ -83,6 +86,7 @@ async def get_governance_events(
         size=size,
     )
     return await query_governance_events(
+        event_ids=event_id,
         event_types=event_type,
         from_dt=from_,
         to_dt=to,
diff --git a/apps/api/src/services/governance_query_service.py b/apps/api/src/services/governance_query_service.py
index 3794fe05..00cbbe35 100644
--- a/apps/api/src/services/governance_query_service.py
+++ b/apps/api/src/services/governance_query_service.py
@@ -195,6 +195,7 @@ async def _load_dispatch_ids_for_events(event_ids: list[str]) -> dict[str, list[
 
 async def query_governance_events(
     *,
+    event_ids: list[str] | None = None,
     event_types: list[str] | None = None,
     from_dt: datetime | None = None,
     to_dt: datetime | None = None,
@@ -212,6 +213,14 @@ async def query_governance_events(
     async with get_db_context() as db:
         stmt = select(AiGovernanceEvent)
 
+        normalized_event_ids = [
+            event_id.strip()
+            for event_id in (event_ids or [])
+            if isinstance(event_id, str) and event_id.strip()
+        ]
+        if normalized_event_ids:
+            stmt = stmt.where(AiGovernanceEvent.id.in_(normalized_event_ids))
+
         if event_types:
             stmt = stmt.where(AiGovernanceEvent.event_type.in_(event_types))
 
diff --git a/apps/api/tests/test_ai_governance_endpoints.py b/apps/api/tests/test_ai_governance_endpoints.py
index 56635b98..6346bd9f 100644
--- a/apps/api/tests/test_ai_governance_endpoints.py
+++ b/apps/api/tests/test_ai_governance_endpoints.py
@@ -176,6 +176,25 @@ class TestEventsEndpoint:
         assert r.status_code == 200
         assert captured["severity"] == "critical"
 
+    def test_event_id_filter_passed(self, client):
+        """event_id query param 供 Telegram 詳情 / 歷史精準回看."""
+        fake_response = GovernanceEventsResponse(items=[], total=0, page=1, size=20)
+        captured: dict = {}
+
+        async def mock_query(**kwargs):
+            captured.update(kwargs)
+            return fake_response
+
+        with patch("src.api.v1.ai_governance.query_governance_events", new=mock_query):
+            r = client.get(
+                "/api/v1/ai/governance/events"
+                "?event_id=evt-001&event_id=evt-002&status=unresolved"
+            )
+
+        assert r.status_code == 200
+        assert captured["event_ids"] == ["evt-001", "evt-002"]
+        assert captured["status"] == "unresolved"
+
     def test_invalid_severity_rejected(self, client):
         """非法 severity 值應被拒絕（422）."""
         r = client.get("/api/v1/ai/governance/events?severity=bad_value")
diff --git a/apps/web/messages/en.json b/apps/web/messages/en.json
index c045a55b..4cfd0c1f 100644
--- a/apps/web/messages/en.json
+++ b/apps/web/messages/en.json
@@ -1526,6 +1526,8 @@
         "dateRange": "Date Range",
         "status": "Status",
         "severity": "Severity",
+        "eventId": "Event ID",
+        "eventIdPlaceholder": "Paste governance_event_id",
         "clearAll": "Clear All",
         "allStatuses": "All Statuses",
         "resolved": "Resolved",
@@ -1553,6 +1555,14 @@
         "noDispatch": "No dispatch records"
       },
       "eventType": {
+        "slo_violation": "SLO Violation",
+        "governance_slo_data_gap": "SLO Data Gap",
+        "knowledge_degradation": "KM Needs Update",
+        "kb_stale": "Stale KM",
+        "execution_blast_radius": "Execution Blast Radius",
+        "conservative_mode": "Conservative Mode",
+        "replay_degraded": "Replay Degraded",
+        "self_demotion": "AI Self-demotion",
         "slo_breach": "SLO Breach",
         "accuracy_drop": "Accuracy Drop",
         "km_stall": "KM Stall",
@@ -1914,6 +1924,7 @@
         "archiveProposal": "Archive candidates: {count} duplicate drafts",
         "ownerAction": "Owner action: {action}",
         "readOnlyPlan": "Writes on read: {writes}; archive blocked before review: {blocked}",
+        "openEventHistory": "Open Event History",
         "ownerActions": {
           "owner_review_canonical_then_archive_duplicates": "Review the canonical draft, then archive duplicates",
           "review_canonical_and_archive_duplicate_drafts": "Review canonical and archive duplicate drafts",
diff --git a/apps/web/messages/zh-TW.json b/apps/web/messages/zh-TW.json
index 33e58eec..a86f0a32 100644
--- a/apps/web/messages/zh-TW.json
+++ b/apps/web/messages/zh-TW.json
@@ -1527,6 +1527,8 @@
         "dateRange": "時間範圍",
         "status": "狀態",
         "severity": "嚴重度",
+        "eventId": "事件 ID",
+        "eventIdPlaceholder": "貼上 governance_event_id",
         "clearAll": "清除全部",
         "allStatuses": "全部狀態",
         "resolved": "已解決",
@@ -1554,6 +1556,14 @@
         "noDispatch": "暫無派遣記錄"
       },
       "eventType": {
+        "slo_violation": "SLO 違反",
+        "governance_slo_data_gap": "SLO 資料缺口",
+        "knowledge_degradation": "KM 需要更新",
+        "kb_stale": "KM 陳舊",
+        "execution_blast_radius": "執行爆炸半徑",
+        "conservative_mode": "保守模式",
+        "replay_degraded": "回放品質下降",
+        "self_demotion": "AI 自我降級",
         "slo_breach": "SLO 違反",
         "accuracy_drop": "準確率下降",
         "km_stall": "KM 停滯",
@@ -1915,6 +1925,7 @@
         "archiveProposal": "封存候選：{count} 份重複草稿",
         "ownerAction": "Owner 動作：{action}",
         "readOnlyPlan": "讀取不寫入：{writes}；未審核不封存：{blocked}",
+        "openEventHistory": "開啟事件歷史",
         "ownerActions": {
           "owner_review_canonical_then_archive_duplicates": "審核 canonical 草稿後封存 duplicates",
           "review_canonical_and_archive_duplicate_drafts": "審核 canonical 並封存重複草稿",
diff --git a/apps/web/src/app/[locale]/awooop/work-items/page.tsx b/apps/web/src/app/[locale]/awooop/work-items/page.tsx
index ad531106..a490f9ac 100644
--- a/apps/web/src/app/[locale]/awooop/work-items/page.tsx
+++ b/apps/web/src/app/[locale]/awooop/work-items/page.tsx
@@ -856,6 +856,10 @@ function formatStaleRatio(value: number) {
   return `${(value * 100).toFixed(1)}%`;
 }
 
+function governanceEventHistoryHref(eventId: string) {
+  return `/governance?tab=events&event_id=${encodeURIComponent(eventId)}`;
+}
+
 function buildWorkItems(
   telemetry: Telemetry,
   t: ReturnType<typeof useTranslations>
@@ -1889,6 +1893,13 @@ function KnowledgeGovernancePanel({
                     )}
                   </div>
                   <div className="mt-3 flex flex-wrap items-center gap-2">
+                    <Link
+                      href={governanceEventHistoryHref(group.governance_event_id)}
+                      className="inline-flex items-center gap-1.5 border border-[#d8d3c7] bg-white px-2 py-1 text-xs font-semibold text-[#2e2b26] hover:border-[#1f6feb] hover:bg-[#edf4ff] hover:text-[#0f4fa8]"
+                    >
+                      <ArrowRight className="h-3.5 w-3.5" aria-hidden="true" />
+                      {t("openEventHistory")}
+                    </Link>
                     <button
                       type="button"
                       onClick={() => previewArchiveDuplicates(group)}
diff --git a/apps/web/src/app/[locale]/governance/tabs/events-tab.tsx b/apps/web/src/app/[locale]/governance/tabs/events-tab.tsx
index b7f54a1e..69963597 100644
--- a/apps/web/src/app/[locale]/governance/tabs/events-tab.tsx
+++ b/apps/web/src/app/[locale]/governance/tabs/events-tab.tsx
@@ -13,8 +13,13 @@
  */
 
 import { useEffect, useState, useCallback } from 'react'
+import { useSearchParams } from 'next/navigation'
 import { EventsFilterBar, type EventsFilter } from '@/components/governance/events-filter-bar'
-import { EventsTable, type GovernanceEvent } from '@/components/governance/events-table'
+import {
+  EventsTable,
+  type DispatchRecord,
+  type GovernanceEvent,
+} from '@/components/governance/events-table'
 
 // =============================================================================
 // Config
@@ -27,11 +32,28 @@ const PAGE_SIZE = 20
 // API response type
 // =============================================================================
 
+interface GovernanceEventApiItem {
+  id: string
+  event_type: string
+  severity?: 'critical' | 'warning' | 'info'
+  triggered_at: string
+  resolved?: boolean
+  resolved_at?: string | null
+  status?: 'resolved' | 'unresolved'
+  impact?: string
+  impact_summary?: string
+  details?: Record<string, unknown>
+  raw_data?: Record<string, unknown>
+  remediation?: string | null
+  dispatch_ids?: string[]
+  dispatch_records?: DispatchRecord[]
+}
+
 interface EventsApiResponse {
-  items?: GovernanceEvent[]
+  items?: GovernanceEventApiItem[]
   total?: number
   page?: number
-  page_size?: number
+  size?: number
   event_types?: string[]
 }
 
@@ -42,7 +64,9 @@ interface EventsApiResponse {
 function buildQueryString(filter: EventsFilter, page: number): string {
   const params = new URLSearchParams()
   params.set('page', String(page))
-  params.set('page_size', String(PAGE_SIZE))
+  params.set('size', String(PAGE_SIZE))
+  const eventId = filter.eventId.trim()
+  if (eventId) params.append('event_id', eventId)
   if (filter.eventTypes.length > 0) {
     filter.eventTypes.forEach(t => params.append('event_type', t))
   }
@@ -53,11 +77,36 @@ function buildQueryString(filter: EventsFilter, page: number): string {
   return params.toString()
 }
 
+function toGovernanceEvent(item: GovernanceEventApiItem): GovernanceEvent {
+  const resolved = item.status
+    ? item.status === 'resolved'
+    : Boolean(item.resolved)
+  const dispatchRecords = item.dispatch_records
+    ?? (item.dispatch_ids ?? []).map((dispatchId) => ({
+      created_at: item.triggered_at,
+      action: dispatchId,
+      status: 'pending' as const,
+    }))
+
+  return {
+    id: item.id,
+    event_type: item.event_type,
+    triggered_at: item.triggered_at,
+    status: resolved ? 'resolved' : 'unresolved',
+    severity: item.severity,
+    impact_summary: item.impact_summary ?? item.impact,
+    raw_data: item.raw_data ?? item.details,
+    remediation: item.remediation ?? undefined,
+    dispatch_records: dispatchRecords,
+  }
+}
+
 // =============================================================================
 // Component
 // =============================================================================
 
 const DEFAULT_FILTER: EventsFilter = {
+  eventId: '',
   eventTypes: [],
   status: 'all',
   severity: 'all',
@@ -66,6 +115,8 @@ const DEFAULT_FILTER: EventsFilter = {
 }
 
 export function EventsTab() {
+  const searchParams = useSearchParams()
+  const eventIdFromUrl = searchParams.get('event_id')?.trim() ?? ''
   const [filter, setFilter] = useState<EventsFilter>(DEFAULT_FILTER)
   const [page, setPage] = useState(1)
   const [events, setEvents] = useState<GovernanceEvent[]>([])
@@ -80,7 +131,7 @@ export function EventsTab() {
     fetch(`${API_BASE}/api/v1/ai/governance/events?${qs}`)
       .then(r => r.ok ? r.json() : Promise.reject(r.status))
       .then((d: EventsApiResponse) => {
-        setEvents(d.items ?? [])
+        setEvents((d.items ?? []).map(toGovernanceEvent))
         setTotal(d.total ?? 0)
         if (d.event_types && d.event_types.length > 0) {
           setAvailableEventTypes(d.event_types)
@@ -96,6 +147,14 @@ export function EventsTab() {
     fetchEvents()
   }, [fetchEvents])
 
+  useEffect(() => {
+    setFilter(current => {
+      if (current.eventId === eventIdFromUrl) return current
+      return { ...current, eventId: eventIdFromUrl }
+    })
+    setPage(1)
+  }, [eventIdFromUrl])
+
   // Reset page when filter changes
   const handleFilterChange = (newFilter: EventsFilter) => {
     setFilter(newFilter)
diff --git a/apps/web/src/components/governance/events-filter-bar.tsx b/apps/web/src/components/governance/events-filter-bar.tsx
index f18326d3..e1f76ff5 100644
--- a/apps/web/src/components/governance/events-filter-bar.tsx
+++ b/apps/web/src/components/governance/events-filter-bar.tsx
@@ -10,7 +10,7 @@
  */
 
 import { useState, useRef, useEffect } from 'react'
-import { Filter, Calendar, ChevronDown, X } from 'lucide-react'
+import { Filter, Calendar, ChevronDown, Search, X } from 'lucide-react'
 import { useTranslations } from 'next-intl'
 import { GlassCard } from '@/components/ui/glass-card'
 
@@ -19,6 +19,7 @@ import { GlassCard } from '@/components/ui/glass-card'
 // =============================================================================
 
 export interface EventsFilter {
+  eventId: string
   eventTypes: string[]
   status: 'all' | 'resolved' | 'unresolved'
   severity: 'all' | 'critical' | 'warning' | 'info'
@@ -156,6 +157,14 @@ export function EventsFilterBar({ filter, onChange, availableEventTypes = [] }:
   const tType = useTranslations('governance.events.eventType')
 
   const eventTypeLabels: Record<string, string> = {
+    slo_violation: tType('slo_violation'),
+    governance_slo_data_gap: tType('governance_slo_data_gap'),
+    knowledge_degradation: tType('knowledge_degradation'),
+    kb_stale: tType('kb_stale'),
+    execution_blast_radius: tType('execution_blast_radius'),
+    conservative_mode: tType('conservative_mode'),
+    replay_degraded: tType('replay_degraded'),
+    self_demotion: tType('self_demotion'),
     slo_breach: tType('slo_breach'),
     accuracy_drop: tType('accuracy_drop'),
     km_stall: tType('km_stall'),
@@ -164,6 +173,7 @@ export function EventsFilterBar({ filter, onChange, availableEventTypes = [] }:
   }
 
   const hasActiveFilter =
+    filter.eventId.trim() !== '' ||
     filter.eventTypes.length > 0 ||
     filter.status !== 'all' ||
     filter.severity !== 'all' ||
@@ -171,6 +181,7 @@ export function EventsFilterBar({ filter, onChange, availableEventTypes = [] }:
     filter.dateTo !== ''
 
   const clearAll = () => onChange({
+    eventId: '',
     eventTypes: [],
     status: 'all',
     severity: 'all',
@@ -216,6 +227,28 @@ export function EventsFilterBar({ filter, onChange, availableEventTypes = [] }:
           labelMap={eventTypeLabels}
         />
 
+        {/* Event ID exact search */}
+        <div style={{ display: 'flex', alignItems: 'center', gap: 4 }}>
+          <Search size={11} style={{ color: '#87867f', flexShrink: 0 }} />
+          <input
+            type="search"
+            value={filter.eventId}
+            onChange={e => onChange({ ...filter, eventId: e.target.value })}
+            placeholder={t('eventIdPlaceholder')}
+            aria-label={t('eventId')}
+            style={{
+              padding: '4px 8px',
+              border: '0.5px solid #e0ddd4',
+              borderRadius: 6,
+              background: '#fff',
+              fontFamily: "'DM Mono', monospace",
+              fontSize: 11,
+              color: '#141413',
+              minWidth: 190,
+            }}
+          />
+        </div>
+
         {/* Date from */}
         <div style={{ display: 'flex', alignItems: 'center', gap: 4 }}>
           <Calendar size={11} style={{ color: '#87867f', flexShrink: 0 }} />
diff --git a/apps/web/src/components/governance/events-table.tsx b/apps/web/src/components/governance/events-table.tsx
index 5cb48e02..432f7a38 100644
--- a/apps/web/src/components/governance/events-table.tsx
+++ b/apps/web/src/components/governance/events-table.tsx
@@ -10,7 +10,7 @@
  * @created 2026-05-02 Claude Sonnet 4.6 — governance PR 3-5
  */
 
-import { useState } from 'react'
+import { Fragment, useState } from 'react'
 import { ChevronDown, ChevronLeft, ChevronRight, AlertTriangle, ShieldCheck } from 'lucide-react'
 import { useTranslations } from 'next-intl'
 import { StatusOrb } from '@/components/ui/status-orb'
@@ -54,6 +54,11 @@ interface EventsTableProps {
 // =============================================================================
 
 const EVENT_TYPE_COLORS: Record<string, { bg: string; text: string }> = {
+  slo_violation:        { bg: 'rgba(255,51,0,0.08)',    text: '#FF3300' },
+  governance_slo_data_gap: { bg: 'rgba(255,51,0,0.08)', text: '#FF3300' },
+  knowledge_degradation: { bg: 'rgba(245,158,11,0.10)', text: '#d97010' },
+  kb_stale:            { bg: 'rgba(245,158,11,0.10)',  text: '#d97010' },
+  execution_blast_radius: { bg: 'rgba(245,158,11,0.10)', text: '#d97010' },
   slo_breach:         { bg: 'rgba(255,51,0,0.08)',    text: '#FF3300' },
   accuracy_drop:      { bg: 'rgba(245,158,11,0.10)',  text: '#d97010' },
   km_stall:           { bg: 'rgba(74,144,217,0.10)',  text: '#2563EB' },
@@ -61,6 +66,22 @@ const EVENT_TYPE_COLORS: Record<string, { bg: string; text: string }> = {
   trust_degradation:  { bg: 'rgba(236,72,153,0.10)',  text: '#DB2777' },
 }
 
+const EVENT_TYPE_LABEL_KEYS = new Set([
+  'slo_violation',
+  'governance_slo_data_gap',
+  'knowledge_degradation',
+  'kb_stale',
+  'execution_blast_radius',
+  'conservative_mode',
+  'replay_degraded',
+  'self_demotion',
+  'slo_breach',
+  'accuracy_drop',
+  'km_stall',
+  'mcp_failure',
+  'trust_degradation',
+])
+
 function getEventTypeStyle(type: string) {
   return EVENT_TYPE_COLORS[type] ?? { bg: 'rgba(135,134,127,0.10)', text: '#87867f' }
 }
@@ -114,6 +135,11 @@ export function EventsTable({
     whiteSpace: 'nowrap',
   }
 
+  const eventTypeLabel = (eventType: string) => {
+    if (!EVENT_TYPE_LABEL_KEYS.has(eventType)) return eventType
+    return tType(eventType as Parameters<typeof tType>[0])
+  }
+
   return (
     <div style={{ overflow: 'hidden' }}>
       <div style={{ overflowX: 'auto' }}>
@@ -207,9 +233,8 @@ export function EventsTable({
               const typeStyle = getEventTypeStyle(event.event_type)
 
               return (
-                <>
+                <Fragment key={event.id}>
                   <tr
-                    key={event.id}
                     style={{
                       borderBottom: isExpanded ? 'none' : '0.5px solid #e0ddd4',
                       transition: 'background 0.12s',
@@ -232,7 +257,7 @@ export function EventsTable({
                         letterSpacing: '0.3px',
                         whiteSpace: 'nowrap',
                       }}>
-                        {tType(event.event_type as Parameters<typeof tType>[0]) ?? event.event_type}
+                        {eventTypeLabel(event.event_type)}
                       </span>
                     </td>
 
@@ -298,7 +323,7 @@ export function EventsTable({
 
                   {/* Inline expand drawer */}
                   {isExpanded && <EventDetailDrawer key={`detail-${event.id}`} event={event} />}
-                </>
+                </Fragment>
               )
             })}
           </tbody>