diff --git a/app/modules/sag/templates/detail.html b/app/modules/sag/templates/detail.html
index 39af3fd..78560a7 100644
--- a/app/modules/sag/templates/detail.html
+++ b/app/modules/sag/templates/detail.html
@@ -2109,6 +2109,11 @@
                 <i class="bi bi-basket3 me-2"></i>Varekøb & Salg
             </button>
         </li>
+        <li class="nav-item" role="presentation">
+            <button class="nav-link" id="timetracking-tab" data-bs-toggle="tab" data-bs-target="#timetracking" type="button" role="tab" data-module-tab="timetracking" onclick="forceCaseTabActivation('timetracking', this)">
+                <i class="bi bi-clock-history me-2"></i>Tidsforbrug
+            </button>
+        </li>
         <li class="nav-item" role="presentation">
             <button class="nav-link" id="subscription-tab" data-bs-toggle="tab" data-bs-target="#subscription" type="button" role="tab" data-module-tab="subscription" onclick="forceCaseTabActivation('subscription', this)">
                 <i class="bi bi-repeat me-2"></i>Abonnement
@@ -2799,6 +2804,7 @@
             'wiki': 'Wiki',
             'todo-steps': 'Todo-opgaver',
             'time': 'Tid',
+            'timetracking': 'Tidsforbrug',
             'solution': 'Løsning',
             'sales': 'Varekøb & salg',
             'subscription': 'Abonnement',
@@ -2877,6 +2883,8 @@
                     try {
                         if (tabId === 'sales' && typeof loadVarekobSalg === 'function') {
                             await loadVarekobSalg();
+                        } else if (tabId === 'timetracking' && typeof loadTimeTrackingTab === 'function') {
+                            await loadTimeTrackingTab();
                         } else if (tabId === 'subscription' && typeof loadSubscriptionForCase === 'function') {
                             await loadSubscriptionForCase();
                         } else if (tabId === 'reminders') {
@@ -5007,6 +5015,100 @@
         </div>
     </div>
 
+    <!-- Tidsforbrug Tab -->
+    <div class="tab-pane fade" id="timetracking" role="tabpanel" tabindex="0" data-module="timetracking" data-has-content="unknown" style="display:none;">
+        <div id="timeActiveBanner" class="alert alert-warning d-none d-flex justify-content-between align-items-center" role="alert">
+            <div>
+                <strong>Aktiv timer:</strong>
+                <span id="timeActiveBannerText">Du har en aktiv timer.</span>
+            </div>
+            <div class="d-flex gap-2">
+                <button class="btn btn-sm btn-outline-secondary" onclick="stopLiveTimerV1({ entry_status: 'kladde' })">Pause</button>
+                <button class="btn btn-sm btn-primary" onclick="stopLiveTimerV1({ entry_status: 'afventer' })">Stop og registrer</button>
+            </div>
+        </div>
+
+        <div class="card mb-3">
+            <div class="card-header d-flex justify-content-between align-items-center">
+                <h6 class="mb-0 text-primary"><i class="bi bi-stopwatch me-2"></i>Live tracking</h6>
+                <div class="d-flex gap-2">
+                    <button class="btn btn-sm btn-outline-primary" onclick="startLiveTimerV1()">
+                        <i class="bi bi-play-fill me-1"></i>Start timer
+                    </button>
+                    <button class="btn btn-sm btn-outline-danger" onclick="stopLiveTimerV1({ entry_status: 'afventer' })">
+                        <i class="bi bi-stop-fill me-1"></i>Stop timer
+                    </button>
+                </div>
+            </div>
+            <div class="card-body">
+                <form id="timeManualFormV1" class="row g-2 align-items-end" onsubmit="createManualTimeV1(event); return false;">
+                    <div class="col-md-2 col-6">
+                        <label class="form-label small mb-1">Dato</label>
+                        <input type="date" class="form-control form-control-sm" id="timeV1Date">
+                    </div>
+                    <div class="col-md-2 col-6">
+                        <label class="form-label small mb-1">Minutter</label>
+                        <input type="number" min="1" class="form-control form-control-sm" id="timeV1Minutes" placeholder="fx 45" required>
+                    </div>
+                    <div class="col-md-2 col-6">
+                        <label class="form-label small mb-1">Type</label>
+                        <select class="form-select form-select-sm" id="timeV1Type">
+                            <option value="ukendt">Ukendt</option>
+                            <option value="manuel" selected>Manuel</option>
+                            <option value="opkald">Opkald</option>
+                            <option value="mail">Mail</option>
+                            <option value="indedesk">IndeDesk</option>
+                        </select>
+                    </div>
+                    <div class="col-md-2 col-6">
+                        <label class="form-label small mb-1">Status</label>
+                        <select class="form-select form-select-sm" id="timeV1Status">
+                            <option value="kladde">Kladde</option>
+                            <option value="afventer" selected>Afventer</option>
+                            <option value="godkendt">Godkendt</option>
+                        </select>
+                    </div>
+                    <div class="col-md-3 col-12">
+                        <label class="form-label small mb-1">Beskrivelse</label>
+                        <input type="text" class="form-control form-control-sm" id="timeV1Description" placeholder="Hvad er udført?">
+                    </div>
+                    <div class="col-md-1 col-12 d-grid">
+                        <button class="btn btn-sm btn-primary" type="submit"><i class="bi bi-plus-lg"></i></button>
+                    </div>
+                </form>
+                <div class="small text-muted mt-2">
+                    Faktisk tid gemmes internt. Fakturerbar tid afrundes per blok (standard 30 min).
+                </div>
+            </div>
+        </div>
+
+        <div class="row g-3">
+            <div class="col-lg-9">
+                <div class="card">
+                    <div class="card-header d-flex justify-content-between align-items-center">
+                        <h6 class="mb-0 text-primary"><i class="bi bi-diagram-3 me-2"></i>Timeline per medarbejder</h6>
+                        <button class="btn btn-sm btn-outline-secondary" onclick="loadTimeTrackingTab()">
+                            <i class="bi bi-arrow-clockwise me-1"></i>Opdater
+                        </button>
+                    </div>
+                    <div class="card-body" id="timeTimelineColumns">
+                        <div class="text-muted text-center py-3">Indlæser tidslinje...</div>
+                    </div>
+                </div>
+            </div>
+            <div class="col-lg-3">
+                <div class="card">
+                    <div class="card-header">
+                        <h6 class="mb-0 text-primary"><i class="bi bi-arrows-move me-2"></i>Ikke placeret</h6>
+                    </div>
+                    <div class="card-body" id="timeUnplacedEntries">
+                        <div class="text-muted small">Ingen entries uden tidspunkter.</div>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+
     <!-- Subscription Tab -->
     <div class="tab-pane fade" id="subscription" role="tabpanel" tabindex="0" data-module="subscription" data-has-content="unknown" style="display:none;">
         <div class="row g-3">
@@ -6186,6 +6288,185 @@
         });
     </script>
 
+    <script>
+        const timeCaseId = {{ case.id }};
+
+        function minutesToLabel(minutes) {
+            const value = Number(minutes || 0);
+            const h = Math.floor(value / 60);
+            const m = value % 60;
+            return `${h}t ${m}m`;
+        }
+
+        function timeStatusBadge(status) {
+            if (status === 'godkendt') return '<span class="badge bg-success">Godkendt</span>';
+            if (status === 'kladde') return '<span class="badge bg-secondary">Kladde</span>';
+            return '<span class="badge bg-warning text-dark">Afventer</span>';
+        }
+
+        function renderTimeV1Timeline(entries) {
+            const timeline = document.getElementById('timeTimelineColumns');
+            const unplaced = document.getElementById('timeUnplacedEntries');
+            const activeBanner = document.getElementById('timeActiveBanner');
+            const activeBannerText = document.getElementById('timeActiveBannerText');
+            if (!timeline || !unplaced) return;
+
+            const active = (entries || []).find((entry) => entry.aktiv_timer && !entry.slut_tid);
+            if (active) {
+                activeBanner.classList.remove('d-none');
+                activeBannerText.textContent = `Aktiv på ${active.user_name || 'ukendt bruger'}: ${active.description || 'uden beskrivelse'}`;
+            } else {
+                activeBanner.classList.add('d-none');
+            }
+
+            const unplacedEntries = (entries || []).filter((entry) => entry.ikke_placeret || (!entry.start_tid && !entry.slut_tid));
+            if (!unplacedEntries.length) {
+                unplaced.innerHTML = '<div class="text-muted small">Ingen entries uden tidspunkter.</div>';
+            } else {
+                unplaced.innerHTML = unplacedEntries.map((entry) => {
+                    return `
+                        <div class="border rounded p-2 mb-2">
+                            <div class="small fw-semibold">${entry.description || 'Uden beskrivelse'}</div>
+                            <div class="small text-muted">${minutesToLabel(entry.faktisk_tid_min || Math.round((entry.original_hours || 0) * 60))}</div>
+                            <div class="mt-1">${timeStatusBadge(entry.entry_status || 'afventer')}</div>
+                        </div>
+                    `;
+                }).join('');
+            }
+
+            if (!entries || !entries.length) {
+                timeline.innerHTML = '<div class="text-muted text-center py-3">Ingen tidsregistreringer endnu.</div>';
+                return;
+            }
+
+            const grouped = {};
+            entries.forEach((entry) => {
+                const key = `${entry.medarbejder_id || 0}:${entry.user_name || 'Ukendt bruger'}`;
+                if (!grouped[key]) grouped[key] = [];
+                grouped[key].push(entry);
+            });
+
+            timeline.innerHTML = Object.entries(grouped).map(([key, rows]) => {
+                const userName = key.split(':')[1] || 'Ukendt bruger';
+                const cards = rows.map((entry) => {
+                    const faktisk = entry.faktisk_tid_min || Math.round((entry.original_hours || 0) * 60);
+                    const fakturerbar = entry.fakturerbar_tid_min || Math.round((entry.approved_hours || entry.original_hours || 0) * 60);
+                    const isBillable = entry.billable !== false;
+                    const blockClass = isBillable ? 'border-success bg-success-subtle' : 'border-secondary bg-light';
+                    return `
+                        <div class="border ${blockClass} rounded p-2 mb-2">
+                            <div class="d-flex justify-content-between align-items-start">
+                                <div class="small fw-semibold">${entry.description || 'Uden beskrivelse'}</div>
+                                ${timeStatusBadge(entry.entry_status || 'afventer')}
+                            </div>
+                            <div class="small text-muted mt-1">Type: ${entry.entry_type || 'ukendt'} · Kilde: ${entry.kilde || 'manuel'}</div>
+                            <div class="small mt-1">Faktisk: ${minutesToLabel(faktisk)} · Fakturerbar: ${minutesToLabel(fakturerbar)}</div>
+                        </div>
+                    `;
+                }).join('');
+
+                return `
+                    <div class="mb-3">
+                        <div class="fw-semibold mb-2">${userName}</div>
+                        ${cards}
+                    </div>
+                `;
+            }).join('');
+        }
+
+        async function loadTimeTrackingTab() {
+            try {
+                const res = await fetch(`/api/v1/timetracking/time?sag_id=${timeCaseId}`);
+                if (!res.ok) throw new Error('Kunne ikke hente tidsforbrug');
+                const entries = await res.json();
+                renderTimeV1Timeline(entries || []);
+                setModuleContentState('timetracking', (entries || []).length > 0);
+            } catch (error) {
+                console.error(error);
+                const timeline = document.getElementById('timeTimelineColumns');
+                if (timeline) {
+                    timeline.innerHTML = '<div class="text-danger text-center py-3">Kunne ikke hente tidsforbrug.</div>';
+                }
+                setModuleContentState('timetracking', true);
+            }
+        }
+
+        async function startLiveTimerV1() {
+            try {
+                const res = await fetch('/api/v1/timetracking/time/start', {
+                    method: 'POST',
+                    headers: { 'Content-Type': 'application/json' },
+                    body: JSON.stringify({
+                        sag_id: timeCaseId,
+                        entry_type: document.getElementById('timeV1Type')?.value || 'manuel',
+                        beskrivelse: document.getElementById('timeV1Description')?.value || null
+                    })
+                });
+                if (!res.ok) throw new Error(await res.text());
+                await loadTimeTrackingTab();
+            } catch (error) {
+                alert('Kunne ikke starte timer: ' + (error.message || 'ukendt fejl'));
+            }
+        }
+
+        async function stopLiveTimerV1(extra = {}) {
+            try {
+                const res = await fetch('/api/v1/timetracking/time/stop', {
+                    method: 'POST',
+                    headers: { 'Content-Type': 'application/json' },
+                    body: JSON.stringify(extra || {})
+                });
+                if (!res.ok) throw new Error(await res.text());
+                await loadTimeTrackingTab();
+            } catch (error) {
+                alert('Kunne ikke stoppe timer: ' + (error.message || 'ukendt fejl'));
+            }
+        }
+
+        async function createManualTimeV1(event) {
+            event.preventDefault();
+            const minutes = Number(document.getElementById('timeV1Minutes')?.value || 0);
+            if (minutes <= 0) {
+                alert('Indtast minutter over 0');
+                return;
+            }
+
+            const payload = {
+                sag_id: timeCaseId,
+                faktisk_tid_min: minutes,
+                worked_date: document.getElementById('timeV1Date')?.value || null,
+                entry_type: document.getElementById('timeV1Type')?.value || 'manuel',
+                entry_status: document.getElementById('timeV1Status')?.value || 'afventer',
+                beskrivelse: document.getElementById('timeV1Description')?.value || null,
+                kilde: 'manuel'
+            };
+
+            try {
+                const res = await fetch('/api/v1/timetracking/time/manual', {
+                    method: 'POST',
+                    headers: { 'Content-Type': 'application/json' },
+                    body: JSON.stringify(payload)
+                });
+                if (!res.ok) throw new Error(await res.text());
+
+                const minutesInput = document.getElementById('timeV1Minutes');
+                const descInput = document.getElementById('timeV1Description');
+                if (minutesInput) minutesInput.value = '';
+                if (descInput) descInput.value = '';
+                await loadTimeTrackingTab();
+            } catch (error) {
+                alert('Kunne ikke oprette tidsregistrering: ' + (error.message || 'ukendt fejl'));
+            }
+        }
+
+        document.addEventListener('DOMContentLoaded', () => {
+            const dateInput = document.getElementById('timeV1Date');
+            if (dateInput && !dateInput.value) {
+                dateInput.valueAsDate = new Date();
+            }
+        });
+    </script>
+
     <script>
         let reminderUserId = null;
         const remindersCaseId = {{ case.id }};
diff --git a/app/timetracking/backend/models.py b/app/timetracking/backend/models.py
index 6bfba05..d6b3eb0 100644
--- a/app/timetracking/backend/models.py
+++ b/app/timetracking/backend/models.py
@@ -95,6 +95,17 @@ class TModuleTimeBase(BaseModel):
     original_hours: Decimal = Field(..., gt=0, description="Original timer")
     worked_date: Optional[date] = None
     user_name: Optional[str] = Field(None, max_length=255, description="Bruger")
+    start_tid: Optional[datetime] = Field(None, description="Starttid for live timer")
+    slut_tid: Optional[datetime] = Field(None, description="Sluttid for live timer")
+    faktisk_tid_min: Optional[int] = Field(None, ge=0, description="Reel tid i minutter")
+    fakturerbar_tid_min: Optional[int] = Field(None, ge=0, description="Fakturerbar tid i minutter")
+    entry_type: Optional[str] = Field("ukendt", pattern="^(opkald|mail|indedesk|manuel|ukendt)$")
+    kilde: Optional[str] = Field("manuel", pattern="^(auto|manuel|api)$")
+    entry_status: Optional[str] = Field("afventer", pattern="^(kladde|afventer|godkendt)$")
+    medarbejder_id: Optional[int] = Field(None, gt=0)
+    aktiv_timer: Optional[bool] = False
+    round_block_min: Optional[int] = Field(30, ge=1, le=240)
+    ikke_placeret: Optional[bool] = False
 
 
 class TModuleTimeCreate(TModuleTimeBase):
@@ -110,6 +121,9 @@ class TModuleTimeUpdate(BaseModel):
     billable: Optional[bool] = None
     is_travel: Optional[bool] = None
     status: Optional[str] = Field(None, pattern="^(pending|approved|rejected|billed)$")
+    entry_status: Optional[str] = Field(None, pattern="^(kladde|afventer|godkendt)$")
+    fakturerbar_tid_min: Optional[int] = Field(None, ge=0)
+    entry_type: Optional[str] = Field(None, pattern="^(opkald|mail|indedesk|manuel|ukendt)$")
 
 
 class TModuleTimeApproval(BaseModel):
diff --git a/app/timetracking/backend/router.py b/app/timetracking/backend/router.py
index a92cb24..b4e32f7 100644
--- a/app/timetracking/backend/router.py
+++ b/app/timetracking/backend/router.py
@@ -52,6 +52,51 @@ logger = logging.getLogger(__name__)
 router = APIRouter(prefix="/timetracking")
 
 
+def _resolve_current_user_id(current_user: Optional[dict]) -> Optional[int]:
+    if not current_user:
+        return None
+    raw = current_user.get("id") or current_user.get("user_id")
+    try:
+        return int(raw) if raw is not None else None
+    except (TypeError, ValueError):
+        return None
+
+
+def _parse_iso_datetime(value: Optional[str]) -> Optional[datetime]:
+    if not value:
+        return None
+    if isinstance(value, datetime):
+        return value
+    normalized = str(value).strip().replace("Z", "+00:00")
+    try:
+        return datetime.fromisoformat(normalized)
+    except ValueError:
+        return None
+
+
+def _minutes_between(start: Optional[datetime], end: Optional[datetime]) -> Optional[int]:
+    if not start or not end:
+        return None
+    diff_seconds = int((end - start).total_seconds())
+    return max(0, diff_seconds // 60)
+
+
+def _round_up_minutes(minutes: int, block_minutes: int = 30) -> int:
+    safe_minutes = max(0, int(minutes or 0))
+    safe_block = max(1, int(block_minutes or 30))
+    if safe_minutes == 0:
+        return 0
+    return ((safe_minutes + safe_block - 1) // safe_block) * safe_block
+
+
+def _legacy_status_from_entry_status(entry_status: str) -> str:
+    if entry_status == "godkendt":
+        return "approved"
+    if entry_status == "kladde":
+        return "pending"
+    return "pending"
+
+
 # ============================================================================
 # SYNC ENDPOINTS
 # ============================================================================
@@ -1758,6 +1803,458 @@ async def uninstall_module(
 # INTERNAL / HUB INTEGRATION ENDPOINTS
 # ============================================================================
 
+@router.get("/time", tags=["Internal"])
+async def list_time_entries_v1(
+    sag_id: int = Query(..., gt=0),
+    day: Optional[date] = Query(None),
+    medarbejder_id: Optional[int] = Query(None, gt=0),
+):
+    """List tidsregistreringer for en sag med filtre til timeline UI."""
+    try:
+        clauses = ["sag_id = %s"]
+        params: List[Any] = [sag_id]
+
+        if day:
+            clauses.append("(worked_date = %s OR DATE(start_tid) = %s)")
+            params.extend([day, day])
+
+        if medarbejder_id:
+            clauses.append("medarbejder_id = %s")
+            params.append(medarbejder_id)
+
+        where_sql = " AND ".join(clauses)
+        query = f"""
+            SELECT *
+            FROM tmodule_times
+            WHERE {where_sql}
+            ORDER BY COALESCE(start_tid, worked_date::timestamp, created_at) DESC, id DESC
+        """
+        return execute_query(query, tuple(params))
+    except Exception as e:
+        logger.error("❌ Error listing v1 time entries for sag %s: %s", sag_id, e)
+        raise HTTPException(status_code=500, detail="Failed to list time entries")
+
+
+@router.post("/time/start", tags=["Internal"])
+async def start_live_timer_v1(
+    payload: Dict[str, Any] = Body(...),
+    current_user: Optional[dict] = Depends(get_optional_user)
+):
+    """Start live timer. Kun én aktiv timer pr. bruger; eksisterende auto-pause'es."""
+    try:
+        sag_id = payload.get("sag_id")
+        if not sag_id:
+            raise HTTPException(status_code=400, detail="sag_id is required")
+
+        bruger_id = _resolve_current_user_id(current_user) or payload.get("medarbejder_id")
+        if not bruger_id:
+            raise HTTPException(status_code=400, detail="medarbejder_id could not be resolved")
+
+        now = datetime.now()
+        existing = execute_query_single(
+            """
+            SELECT id, start_tid, round_block_min
+            FROM tmodule_times
+            WHERE medarbejder_id = %s AND aktiv_timer = TRUE AND slut_tid IS NULL
+            ORDER BY start_tid DESC NULLS LAST, id DESC
+            LIMIT 1
+            """,
+            (bruger_id,)
+        )
+
+        paused_entry = None
+        if existing:
+            actual_minutes = _minutes_between(existing.get("start_tid"), now) or 0
+            rounded_minutes = _round_up_minutes(actual_minutes, existing.get("round_block_min") or 30)
+            execute_update(
+                """
+                UPDATE tmodule_times
+                SET slut_tid = %s,
+                    aktiv_timer = FALSE,
+                    faktisk_tid_min = %s,
+                    fakturerbar_tid_min = CASE WHEN billable THEN %s ELSE 0 END,
+                    original_hours = GREATEST(%s::numeric / 60.0, 0.01),
+                    approved_hours = CASE WHEN billable THEN (%s::numeric / 60.0) ELSE 0 END,
+                    rounded_to = CASE WHEN billable THEN (%s::numeric / 60.0) ELSE NULL END,
+                    entry_status = 'afventer',
+                    status = 'pending'
+                WHERE id = %s
+                """,
+                (now, actual_minutes, rounded_minutes, actual_minutes, rounded_minutes, existing.get("round_block_min") or 30, existing["id"])
+            )
+            paused_entry = existing["id"]
+
+        default_user_name = (
+            (current_user or {}).get("username")
+            or (current_user or {}).get("full_name")
+            or "Hub User"
+        )
+        user_name = payload.get("user_name") or default_user_name
+        entry_type = payload.get("entry_type") or "manuel"
+        kilde = payload.get("kilde") or "manuel"
+        billable = bool(payload.get("fakturerbar", True))
+        round_block_min = int(payload.get("round_block_min") or 30)
+
+        created = execute_query(
+            """
+            INSERT INTO tmodule_times (
+                sag_id, customer_id, description, original_hours,
+                worked_date, user_name, status, billable,
+                start_tid, slut_tid, faktisk_tid_min, fakturerbar_tid_min,
+                entry_type, kilde, entry_status, medarbejder_id,
+                aktiv_timer, round_block_min, ikke_placeret
+            ) VALUES (
+                %s, %s, %s, %s,
+                %s, %s, %s, %s,
+                %s, %s, %s, %s,
+                %s, %s, %s, %s,
+                %s, %s, %s
+            ) RETURNING *
+            """,
+            (
+                sag_id,
+                payload.get("customer_id"),
+                payload.get("beskrivelse") or payload.get("description"),
+                0.01,
+                now.date(),
+                user_name,
+                "pending",
+                billable,
+                now,
+                None,
+                None,
+                None,
+                entry_type,
+                kilde,
+                "kladde",
+                bruger_id,
+                True,
+                round_block_min,
+                False,
+            )
+        )
+
+        return {
+            "entry": created[0] if created else None,
+            "paused_entry_id": paused_entry,
+        }
+    except HTTPException:
+        raise
+    except Exception as e:
+        logger.error("❌ Error starting live timer: %s", e)
+        raise HTTPException(status_code=500, detail="Failed to start timer")
+
+
+@router.post("/time/stop", tags=["Internal"])
+async def stop_live_timer_v1(
+    payload: Dict[str, Any] = Body(...),
+    current_user: Optional[dict] = Depends(get_optional_user)
+):
+    """Stop aktiv timer for bruger eller specifik entry."""
+    try:
+        now = datetime.now()
+        time_id = payload.get("time_id")
+        bruger_id = _resolve_current_user_id(current_user) or payload.get("medarbejder_id")
+
+        if time_id:
+            entry = execute_query_single("SELECT * FROM tmodule_times WHERE id = %s", (time_id,))
+        else:
+            if not bruger_id:
+                raise HTTPException(status_code=400, detail="medarbejder_id could not be resolved")
+            entry = execute_query_single(
+                """
+                SELECT *
+                FROM tmodule_times
+                WHERE medarbejder_id = %s AND aktiv_timer = TRUE AND slut_tid IS NULL
+                ORDER BY start_tid DESC NULLS LAST, id DESC
+                LIMIT 1
+                """,
+                (bruger_id,)
+            )
+
+        if not entry:
+            raise HTTPException(status_code=404, detail="No active timer found")
+
+        start_tid = entry.get("start_tid")
+        actual_minutes = payload.get("faktisk_tid_min")
+        if actual_minutes is None:
+            actual_minutes = _minutes_between(start_tid, now)
+        actual_minutes = max(0, int(actual_minutes or 0))
+
+        block_minutes = int(payload.get("round_block_min") or entry.get("round_block_min") or 30)
+        manual_billable = payload.get("fakturerbar_tid_min")
+        billable_minutes = int(manual_billable) if manual_billable is not None else _round_up_minutes(actual_minutes, block_minutes)
+        entry_status = payload.get("entry_status") or "afventer"
+        legacy_status = _legacy_status_from_entry_status(entry_status)
+
+        result = execute_query(
+            """
+            UPDATE tmodule_times
+            SET slut_tid = %s,
+                aktiv_timer = FALSE,
+                faktisk_tid_min = %s,
+                fakturerbar_tid_min = CASE WHEN billable THEN %s ELSE 0 END,
+                original_hours = GREATEST(%s::numeric / 60.0, 0.01),
+                approved_hours = CASE WHEN billable THEN (%s::numeric / 60.0) ELSE 0 END,
+                rounded_to = CASE WHEN billable THEN (%s::numeric / 60.0) ELSE NULL END,
+                worked_date = COALESCE(worked_date, %s),
+                entry_status = %s,
+                status = %s,
+                ikke_placeret = FALSE
+            WHERE id = %s
+            RETURNING *
+            """,
+            (
+                now,
+                actual_minutes,
+                billable_minutes,
+                actual_minutes,
+                billable_minutes,
+                block_minutes,
+                now.date(),
+                entry_status,
+                legacy_status,
+                entry["id"],
+            )
+        )
+
+        return result[0] if result else None
+    except HTTPException:
+        raise
+    except Exception as e:
+        logger.error("❌ Error stopping live timer: %s", e)
+        raise HTTPException(status_code=500, detail="Failed to stop timer")
+
+
+@router.post("/time/manual", tags=["Internal"])
+async def create_manual_time_v1(
+    payload: Dict[str, Any] = Body(...),
+    current_user: Optional[dict] = Depends(get_optional_user)
+):
+    """Create manuel tidsregistrering med/uden start-slut."""
+    try:
+        sag_id = payload.get("sag_id")
+        if not sag_id:
+            raise HTTPException(status_code=400, detail="sag_id is required")
+
+        bruger_id = _resolve_current_user_id(current_user) or payload.get("medarbejder_id")
+        default_user_name = (
+            (current_user or {}).get("username")
+            or (current_user or {}).get("full_name")
+            or "Hub User"
+        )
+
+        start_tid = _parse_iso_datetime(payload.get("start_tid"))
+        slut_tid = _parse_iso_datetime(payload.get("slut_tid"))
+        actual_minutes = payload.get("faktisk_tid_min")
+        if actual_minutes is None:
+            actual_minutes = _minutes_between(start_tid, slut_tid)
+        if actual_minutes is None:
+            original_hours = float(payload.get("original_hours") or 0)
+            actual_minutes = int(round(original_hours * 60))
+
+        if actual_minutes <= 0:
+            raise HTTPException(status_code=400, detail="faktisk_tid_min or original_hours must be > 0")
+
+        round_block_min = int(payload.get("round_block_min") or 30)
+        billable = bool(payload.get("fakturerbar", True))
+        billable_minutes = payload.get("fakturerbar_tid_min")
+        if billable_minutes is None:
+            billable_minutes = _round_up_minutes(actual_minutes, round_block_min)
+        billable_minutes = int(billable_minutes)
+
+        worked_date = payload.get("worked_date")
+        if not worked_date:
+            if start_tid:
+                worked_date = start_tid.date()
+            elif slut_tid:
+                worked_date = slut_tid.date()
+
+        not_placed = bool(payload.get("ikke_placeret", False)) or (not start_tid and not slut_tid)
+        entry_status = payload.get("entry_status") or "afventer"
+        legacy_status = _legacy_status_from_entry_status(entry_status)
+
+        query = """
+            INSERT INTO tmodule_times (
+                sag_id, solution_id, customer_id, description,
+                original_hours, worked_date, user_name,
+                status, billable, billing_method,
+                start_tid, slut_tid, faktisk_tid_min, fakturerbar_tid_min,
+                entry_type, kilde, entry_status, medarbejder_id,
+                aktiv_timer, round_block_min, ikke_placeret,
+                approved_hours, rounded_to
+            ) VALUES (
+                %s, %s, %s, %s,
+                %s, %s, %s,
+                %s, %s, %s,
+                %s, %s, %s, %s,
+                %s, %s, %s, %s,
+                %s, %s, %s,
+                %s, %s
+            ) RETURNING *
+        """
+
+        inserted = execute_query(
+            query,
+            (
+                sag_id,
+                payload.get("solution_id"),
+                payload.get("customer_id"),
+                payload.get("beskrivelse") or payload.get("description"),
+                max(actual_minutes / 60.0, 0.01),
+                worked_date,
+                payload.get("user_name") or default_user_name,
+                legacy_status,
+                billable,
+                payload.get("billing_method") or ("invoice" if billable else "internal"),
+                start_tid,
+                slut_tid,
+                actual_minutes,
+                billable_minutes,
+                payload.get("entry_type") or "manuel",
+                payload.get("kilde") or "manuel",
+                entry_status,
+                bruger_id,
+                False,
+                round_block_min,
+                not_placed,
+                (billable_minutes / 60.0) if billable else 0,
+                (round_block_min / 60.0) if billable else None,
+            )
+        )
+        return inserted[0] if inserted else None
+    except HTTPException:
+        raise
+    except Exception as e:
+        logger.error("❌ Error creating manual time entry: %s", e)
+        raise HTTPException(status_code=500, detail="Failed to create manual entry")
+
+
+@router.patch("/time/{time_id}", tags=["Internal"])
+async def patch_time_entry_v1(
+    time_id: int,
+    payload: Dict[str, Any] = Body(...)
+):
+    """Patch udvalgte felter på tidsentry. Faktisk tid ændres kun via start/slut."""
+    try:
+        existing = execute_query_single("SELECT * FROM tmodule_times WHERE id = %s", (time_id,))
+        if not existing:
+            raise HTTPException(status_code=404, detail="Time entry not found")
+
+        updates: Dict[str, Any] = {}
+        allowed_direct = [
+            "description", "entry_type", "kilde", "entry_status", "billable", "worked_date",
+            "fakturerbar_tid_min", "round_block_min", "ikke_placeret", "medarbejder_id"
+        ]
+        for key in allowed_direct:
+            if key in payload:
+                updates[key] = payload.get(key)
+
+        start_tid = _parse_iso_datetime(payload.get("start_tid")) if "start_tid" in payload else existing.get("start_tid")
+        slut_tid = _parse_iso_datetime(payload.get("slut_tid")) if "slut_tid" in payload else existing.get("slut_tid")
+        if "start_tid" in payload:
+            updates["start_tid"] = start_tid
+        if "slut_tid" in payload:
+            updates["slut_tid"] = slut_tid
+
+        recalculated_minutes = _minutes_between(start_tid, slut_tid)
+        if recalculated_minutes is not None:
+            updates["faktisk_tid_min"] = recalculated_minutes
+            updates["original_hours"] = max(recalculated_minutes / 60.0, 0.01)
+            if "fakturerbar_tid_min" not in updates:
+                block = int(updates.get("round_block_min") or existing.get("round_block_min") or 30)
+                updates["fakturerbar_tid_min"] = _round_up_minutes(recalculated_minutes, block)
+
+        if "entry_status" in updates:
+            updates["status"] = _legacy_status_from_entry_status(updates["entry_status"])
+
+        if "billable" in updates and not updates.get("billable"):
+            updates["fakturerbar_tid_min"] = 0
+
+        if "fakturerbar_tid_min" in updates:
+            billable_minutes = int(updates.get("fakturerbar_tid_min") or 0)
+            updates["approved_hours"] = billable_minutes / 60.0 if (updates.get("billable", existing.get("billable")) and billable_minutes > 0) else 0
+
+        if not updates:
+            return existing
+
+        set_parts = []
+        values: List[Any] = []
+        for field, value in updates.items():
+            set_parts.append(f"{field} = %s")
+            values.append(value)
+        values.append(time_id)
+
+        query = f"UPDATE tmodule_times SET {', '.join(set_parts)} WHERE id = %s RETURNING *"
+        updated = execute_query(query, tuple(values))
+        return updated[0] if updated else None
+    except HTTPException:
+        raise
+    except Exception as e:
+        logger.error("❌ Error patching time entry %s: %s", time_id, e)
+        raise HTTPException(status_code=500, detail="Failed to patch time entry")
+
+
+@router.post("/time/{time_id}/approve", tags=["Internal"])
+async def approve_time_entry_v1(
+    time_id: int,
+    payload: Dict[str, Any] = Body(default={}),
+    current_user: Optional[dict] = Depends(get_optional_user)
+):
+    """Approve time entry for billing (kræver type)."""
+    try:
+        entry = execute_query_single("SELECT * FROM tmodule_times WHERE id = %s", (time_id,))
+        if not entry:
+            raise HTTPException(status_code=404, detail="Time entry not found")
+
+        entry_type = payload.get("entry_type") or entry.get("entry_type") or "ukendt"
+        if entry_type == "ukendt":
+            raise HTTPException(status_code=400, detail="entry_type is required before approval")
+
+        billable = bool(payload.get("fakturerbar", entry.get("billable", True)))
+        billed_minutes = payload.get("fakturerbar_tid_min")
+        if billed_minutes is None:
+            billed_minutes = entry.get("fakturerbar_tid_min")
+        if billed_minutes is None:
+            faktisk = int(entry.get("faktisk_tid_min") or 0)
+            billed_minutes = _round_up_minutes(faktisk, int(entry.get("round_block_min") or 30))
+        billed_minutes = int(billed_minutes)
+
+        approved_by = _resolve_current_user_id(current_user)
+        updated = execute_query(
+            """
+            UPDATE tmodule_times
+            SET entry_type = %s,
+                entry_status = 'godkendt',
+                status = 'approved',
+                billable = %s,
+                fakturerbar_tid_min = CASE WHEN %s THEN %s ELSE 0 END,
+                approved_hours = CASE WHEN %s THEN (%s::numeric / 60.0) ELSE 0 END,
+                approved_at = %s,
+                approved_by = %s,
+                aktiv_timer = FALSE
+            WHERE id = %s
+            RETURNING *
+            """,
+            (
+                entry_type,
+                billable,
+                billable,
+                billed_minutes,
+                billable,
+                billed_minutes,
+                datetime.now(),
+                approved_by,
+                time_id,
+            )
+        )
+        return updated[0] if updated else None
+    except HTTPException:
+        raise
+    except Exception as e:
+        logger.error("❌ Error approving time entry %s: %s", time_id, e)
+        raise HTTPException(status_code=500, detail="Failed to approve time entry")
+
 @router.get("/entries/sag/{sag_id}", tags=["Internal"])
 async def get_time_entries_for_sag(sag_id: int):
     """Get time entries linked to a Hub Sag (Case)."""
@@ -1790,21 +2287,37 @@ async def create_internal_time_entry(
         description = entry.get("description")
         hours = entry.get("original_hours")
         worked_date = entry.get("worked_date") or datetime.now().date()
+        start_tid = _parse_iso_datetime(entry.get("start_tid"))
+        slut_tid = _parse_iso_datetime(entry.get("slut_tid"))
         default_user_name = (
             (current_user or {}).get("username")
             or (current_user or {}).get("full_name")
             or "Hub User"
         )
         user_name = entry.get("user_name") or default_user_name
+        medarbejder_id = _resolve_current_user_id(current_user) or entry.get("medarbejder_id")
         prepaid_card_id = entry.get("prepaid_card_id")
         fixed_price_agreement_id = entry.get("fixed_price_agreement_id")
         work_type = entry.get("work_type", "support")
         is_internal = entry.get("is_internal", False)
+        entry_type = entry.get("entry_type", "manuel")
+        kilde = entry.get("kilde", "manuel")
+        entry_status = entry.get("entry_status", "afventer")
+        round_block_min = int(entry.get("round_block_min") or 30)
         
         if not sag_id or not hours:
              raise HTTPException(status_code=400, detail="sag_id and original_hours required")
              
         hours_decimal = float(hours)
+        actual_minutes = entry.get("faktisk_tid_min")
+        if actual_minutes is None:
+            actual_minutes = _minutes_between(start_tid, slut_tid)
+        if actual_minutes is None:
+            actual_minutes = int(round(hours_decimal * 60))
+
+        billable_minutes = entry.get("fakturerbar_tid_min")
+        if billable_minutes is None:
+            billable_minutes = _round_up_minutes(actual_minutes, round_block_min)
 
         # Auto-resolve customer if missing
         if not customer_id:
@@ -1985,12 +2498,18 @@ async def create_internal_time_entry(
                 sag_id, solution_id, customer_id, description, 
                 original_hours, worked_date, user_name, 
                 status, billable, billing_method, prepaid_card_id, fixed_price_agreement_id, work_type,
-                approved_hours, rounded_to
+                approved_hours, rounded_to,
+                start_tid, slut_tid, faktisk_tid_min, fakturerbar_tid_min,
+                entry_type, kilde, entry_status, medarbejder_id,
+                aktiv_timer, round_block_min, ikke_placeret
             ) VALUES (
                 %s, %s, %s, %s, 
                 %s, %s, %s, 
                 %s, %s, %s, %s, %s, %s,
-                %s, %s
+                %s, %s,
+                %s, %s, %s, %s,
+                %s, %s, %s, %s,
+                %s, %s, %s
             ) RETURNING *
         """
         
@@ -1998,7 +2517,10 @@ async def create_internal_time_entry(
             sag_id, solution_id, customer_id, description, 
             hours, worked_date, user_name, 
             status, billable, billing_method, prepaid_card_id, fixed_price_agreement_id, work_type,
-            entry.get('approved_hours'), entry.get('rounded_to')
+            entry.get('approved_hours'), entry.get('rounded_to'),
+            start_tid, slut_tid, actual_minutes, billable_minutes,
+            entry_type, kilde, entry_status, medarbejder_id,
+            False, round_block_min, bool(entry.get("ikke_placeret", False) or (not start_tid and not slut_tid))
         )
         result = execute_query(query, params)
         if result:
diff --git a/migrations/150_sag_tidsforbrug_v1.sql b/migrations/150_sag_tidsforbrug_v1.sql
new file mode 100644
index 0000000..712813e
--- /dev/null
+++ b/migrations/150_sag_tidsforbrug_v1.sql
@@ -0,0 +1,110 @@
+-- Migration 150: Sag tidsforbrug v1 foundation
+-- Formål: Udvide tmodule_times med felter til live timer, faktisk/fakturerbar minutter,
+-- status-flow og type/kilde uden at bryde eksisterende timetracking-flow.
+
+ALTER TABLE tmodule_times
+    ADD COLUMN IF NOT EXISTS start_tid TIMESTAMP,
+    ADD COLUMN IF NOT EXISTS slut_tid TIMESTAMP,
+    ADD COLUMN IF NOT EXISTS faktisk_tid_min INTEGER,
+    ADD COLUMN IF NOT EXISTS fakturerbar_tid_min INTEGER,
+    ADD COLUMN IF NOT EXISTS entry_type VARCHAR(32) DEFAULT 'ukendt',
+    ADD COLUMN IF NOT EXISTS kilde VARCHAR(32) DEFAULT 'manuel',
+    ADD COLUMN IF NOT EXISTS entry_status VARCHAR(32) DEFAULT 'afventer',
+    ADD COLUMN IF NOT EXISTS medarbejder_id INTEGER,
+    ADD COLUMN IF NOT EXISTS aktiv_timer BOOLEAN DEFAULT FALSE,
+    ADD COLUMN IF NOT EXISTS round_block_min INTEGER DEFAULT 30,
+    ADD COLUMN IF NOT EXISTS ikke_placeret BOOLEAN DEFAULT FALSE;
+
+-- Optional settings per customer/type (fx mail default minutter)
+CREATE TABLE IF NOT EXISTS tmodule_time_defaults (
+    id SERIAL PRIMARY KEY,
+    customer_id INTEGER REFERENCES tmodule_customers(id) ON DELETE CASCADE,
+    entry_type VARCHAR(32) NOT NULL,
+    default_minutes INTEGER NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    CONSTRAINT tmodule_time_defaults_default_minutes_positive CHECK (default_minutes > 0),
+    CONSTRAINT tmodule_time_defaults_unique UNIQUE (customer_id, entry_type)
+);
+
+-- Backfill for existing rows so gamle data stadig virker i ny UI/API.
+UPDATE tmodule_times
+SET
+    entry_type = COALESCE(entry_type, 'ukendt'),
+    kilde = COALESCE(kilde, 'api'),
+    entry_status = COALESCE(
+        entry_status,
+        CASE
+            WHEN status = 'approved' THEN 'godkendt'
+            WHEN status = 'pending' THEN 'afventer'
+            WHEN status = 'billed' THEN 'godkendt'
+            ELSE 'kladde'
+        END
+    ),
+    faktisk_tid_min = COALESCE(faktisk_tid_min, CEIL(COALESCE(original_hours, 0)::numeric * 60)::int),
+    fakturerbar_tid_min = COALESCE(
+        fakturerbar_tid_min,
+        CEIL(COALESCE(approved_hours, original_hours, 0)::numeric * 60)::int
+    ),
+    round_block_min = COALESCE(round_block_min, 30),
+    aktiv_timer = COALESCE(aktiv_timer, FALSE),
+    ikke_placeret = COALESCE(ikke_placeret, FALSE);
+
+-- Guards
+DO $$
+BEGIN
+    IF NOT EXISTS (
+        SELECT 1 FROM pg_constraint
+        WHERE conname = 'tmodule_times_faktisk_tid_min_positive'
+          AND conrelid = 'tmodule_times'::regclass
+    ) THEN
+        ALTER TABLE tmodule_times
+            ADD CONSTRAINT tmodule_times_faktisk_tid_min_positive CHECK (faktisk_tid_min IS NULL OR faktisk_tid_min >= 0);
+    END IF;
+
+    IF NOT EXISTS (
+        SELECT 1 FROM pg_constraint
+        WHERE conname = 'tmodule_times_fakturerbar_tid_min_positive'
+          AND conrelid = 'tmodule_times'::regclass
+    ) THEN
+        ALTER TABLE tmodule_times
+            ADD CONSTRAINT tmodule_times_fakturerbar_tid_min_positive CHECK (fakturerbar_tid_min IS NULL OR fakturerbar_tid_min >= 0);
+    END IF;
+
+    IF NOT EXISTS (
+        SELECT 1 FROM pg_constraint
+        WHERE conname = 'tmodule_times_entry_status_check'
+          AND conrelid = 'tmodule_times'::regclass
+    ) THEN
+        ALTER TABLE tmodule_times
+            ADD CONSTRAINT tmodule_times_entry_status_check CHECK (entry_status IN ('kladde', 'afventer', 'godkendt'));
+    END IF;
+
+    IF NOT EXISTS (
+        SELECT 1 FROM pg_constraint
+        WHERE conname = 'tmodule_times_entry_type_check'
+          AND conrelid = 'tmodule_times'::regclass
+    ) THEN
+        ALTER TABLE tmodule_times
+            ADD CONSTRAINT tmodule_times_entry_type_check CHECK (entry_type IN ('opkald', 'mail', 'indedesk', 'manuel', 'ukendt'));
+    END IF;
+
+    IF NOT EXISTS (
+        SELECT 1 FROM pg_constraint
+        WHERE conname = 'tmodule_times_kilde_check'
+          AND conrelid = 'tmodule_times'::regclass
+    ) THEN
+        ALTER TABLE tmodule_times
+            ADD CONSTRAINT tmodule_times_kilde_check CHECK (kilde IN ('auto', 'manuel', 'api'));
+    END IF;
+END $$;
+
+CREATE INDEX IF NOT EXISTS idx_tmodule_times_start_tid ON tmodule_times(start_tid);
+CREATE INDEX IF NOT EXISTS idx_tmodule_times_medarbejder_id ON tmodule_times(medarbejder_id);
+CREATE INDEX IF NOT EXISTS idx_tmodule_times_entry_status ON tmodule_times(entry_status);
+CREATE INDEX IF NOT EXISTS idx_tmodule_times_aktiv_timer ON tmodule_times(aktiv_timer);
+CREATE INDEX IF NOT EXISTS idx_tmodule_time_defaults_customer ON tmodule_time_defaults(customer_id);
+
+CREATE UNIQUE INDEX IF NOT EXISTS uq_tmodule_times_active_timer_per_user
+    ON tmodule_times(medarbejder_id)
+    WHERE aktiv_timer = TRUE AND slut_tid IS NULL;
\ No newline at end of file