diff --git a/docs/ISSUE-287-CANONICAL-ROUND-FLOW-BACKEND-ARTIFACT.md b/docs/ISSUE-287-CANONICAL-ROUND-FLOW-BACKEND-ARTIFACT.md
index 9aec970..2aec3b7 100644
--- a/docs/ISSUE-287-CANONICAL-ROUND-FLOW-BACKEND-ARTIFACT.md
+++ b/docs/ISSUE-287-CANONICAL-ROUND-FLOW-BACKEND-ARTIFACT.md
@@ -8,7 +8,7 @@
 | Sidste gyldige `submit_lie` for aktivt spørgsmål | `lie` | `guess` | Dedupe/shuffle `correct_answer + lies`, persisterer `mixed_answers`, broadcaster `phase.guess_started` |
 | Sidste gyldige `submit_guess` for aktivt spørgsmål | `guess` | `reveal` | Beregner score deterministisk, persisterer `ScoreEvent` + opdaterede `Player.score`, returnerer canonical reveal payload |
 | Første canonical state-read efter resolved reveal (`session_detail`, og idempotent `GET /scoreboard` hvis state allerede er resolved) | `reveal` | `scoreboard` | Promoverer scoreboard som state, broadcaster `phase.scoreboard`, eksponerer leaderboard + readiness |
-| `POST /lobby/sessions/{code}/next` | `scoreboard` | `lie` | Increment round counter, kopierer seneste `RoundConfig`, vælger/låser næste spørgsmål i samme kategori og broadcaster `phase.lie_started` |
+| `POST /lobby/sessions/{code}/rounds/next` | `scoreboard` | `lie` | Increment round counter, kopierer seneste `RoundConfig`, vælger/låser næste spørgsmål i samme kategori og broadcaster `phase.lie_started` |
 | `POST /lobby/sessions/{code}/finish` | `scoreboard` | `finished` | Fryser slutresultat og returnerer final leaderboard |
 
 ## Flow-log (happy path)
diff --git a/frontend/angular/src/app/api-contract-smoke.spec.ts b/frontend/angular/src/app/api-contract-smoke.spec.ts
index 63b72b5..c496c94 100644
--- a/frontend/angular/src/app/api-contract-smoke.spec.ts
+++ b/frontend/angular/src/app/api-contract-smoke.spec.ts
@@ -140,7 +140,7 @@ describe('SPA Angular API contract smoke (host/player foundation)', () => {
 
       if (url === '/lobby/sessions/ABCD12/rounds/next') {
         expect(body).toEqual({});
-        return { session: { code: 'ABCD12', status: 'lobby', current_round: 2 } } as T;
+        return { session: { code: 'ABCD12', status: 'lie', current_round: 2 } } as T;
       }
 
       if (url === '/lobby/sessions/ABCD12/finish') {
diff --git a/frontend/angular/src/app/features/host/host-shell.component.spec.ts b/frontend/angular/src/app/features/host/host-shell.component.spec.ts
index 82fb35f..8fe8674 100644
--- a/frontend/angular/src/app/features/host/host-shell.component.spec.ts
+++ b/frontend/angular/src/app/features/host/host-shell.component.spec.ts
@@ -85,10 +85,10 @@ function sessionDetailPayload(
       },
       host: {
         can_start_round: status === 'lobby',
-        can_show_question: status === 'lie',
-        can_mix_answers: status === 'lie',
-        can_calculate_scores: status === 'guess',
-        can_reveal_scoreboard: status === 'reveal',
+        can_show_question: false,
+        can_mix_answers: false,
+        can_calculate_scores: false,
+        can_reveal_scoreboard: false,
         can_start_next_round: status === 'scoreboard',
         can_finish_game: status === 'scoreboard',
       },
@@ -179,80 +179,16 @@ describe('HostShellComponent gameplay wiring', () => {
     });
   });
 
-  it('captures scoreboard error for retry path', async () => {
-    const fetchMock: FetchMock = vi.fn().mockResolvedValue(jsonResponse(500, { error: 'Scoreboard unavailable' }));
-
-    vi.stubGlobal('fetch', fetchMock);
-
-    const component = new HostShellComponent();
-    component.sessionCode = 'ABCD12';
-
-    await component.loadScoreboard();
-
-    expect(fetchMock).toHaveBeenCalledWith('/lobby/sessions/ABCD12/scoreboard', expect.objectContaining({ method: 'GET' }));
-    expect(component.scoreboardError).toContain('Scoreboard failed: Scoreboard unavailable');
-    expect(component.loading).toBe(false);
-  });
-
-  it('wires showQuestion, mixAnswers and calculateScores with expected request payloads', async () => {
+  it('runs next-round transition into canonical lie phase and clears prior final leaderboard state', async () => {
     const fetchMock: FetchMock = vi
       .fn()
-      .mockResolvedValueOnce(
-        jsonResponse(200, {
-          round_question: {
-            id: 77,
-            round_number: 1,
-            prompt: 'Q?',
-            shown_at: '2026-01-01T00:00:00Z',
-            lie_deadline_at: '2026-01-01T00:00:45Z',
-          },
-          config: { lie_seconds: 45 },
-        })
-      )
-      .mockResolvedValueOnce(jsonResponse(200, sessionDetailPayload('lie', { roundQuestionId: 77 })))
-      .mockResolvedValueOnce(
-        jsonResponse(200, {
-          session: { code: 'ABCD12', status: 'guess', current_round: 1 },
-          round_question: { id: 77, round_number: 1 },
-          answers: [{ text: 'A' }],
-        })
-      )
-      .mockResolvedValueOnce(jsonResponse(200, sessionDetailPayload('guess', { roundQuestionId: 77 })))
-      .mockResolvedValueOnce(
-        jsonResponse(200, {
-          session: { code: 'ABCD12', status: 'reveal', current_round: 1 },
-          round_question: { id: 77, round_number: 1 },
-          events_created: 2,
-          leaderboard: [{ id: 1, nickname: 'Luna', score: 320 }],
-        })
-      )
-      .mockResolvedValueOnce(jsonResponse(200, sessionDetailPayload('reveal', { roundQuestionId: 77 })));
+      .mockResolvedValueOnce(jsonResponse(200, { session: { code: 'ABCD12', status: 'lie', current_round: 2 } }))
+      .mockResolvedValueOnce(jsonResponse(200, sessionDetailPayload('lie', { roundQuestionId: 99 })));
 
     vi.stubGlobal('fetch', fetchMock);
 
     const component = new HostShellComponent();
     component.sessionCode = ' abcd12 ';
-    component.roundQuestionId = ' 77 ';
-
-    await component.showQuestion();
-    await component.mixAnswers();
-    await component.calculateScores();
-
-    expect(component.error).toBe('');
-    expect(component.loading).toBe(false);
-  });
-
-  it('runs next-round transition without reload and clears scoreboard payload', async () => {
-    const fetchMock: FetchMock = vi
-      .fn()
-      .mockResolvedValueOnce(jsonResponse(200, { session: { code: 'ABCD12', status: 'lobby', current_round: 2 } }))
-      .mockResolvedValueOnce(jsonResponse(200, sessionDetailPayload('lobby', { roundQuestionId: null })));
-
-    vi.stubGlobal('fetch', fetchMock);
-
-    const component = new HostShellComponent();
-    component.sessionCode = ' abcd12 ';
-    component.scoreboardPayload = '{"leaderboard":[]}';
     component.finalLeaderboardPayload = '{"leaderboard":[{"nickname":"Old","score":1}]}' ;
     component.finalLeaderboard = [{ id: 9, nickname: 'Old', score: 1 }];
 
@@ -264,8 +200,8 @@ describe('HostShellComponent gameplay wiring', () => {
       expect.objectContaining({ method: 'POST', body: JSON.stringify({}) })
     );
     expect(fetchMock).toHaveBeenNthCalledWith(2, '/lobby/sessions/ABCD12', expect.objectContaining({ method: 'GET' }));
-    expect(component.session?.session.status).toBe('lobby');
-    expect(component.scoreboardPayload).toBe('');
+    expect(component.session?.session.status).toBe('lie');
+    expect(component.roundQuestionId).toBe('99');
     expect(component.finalLeaderboardPayload).toBe('');
     expect(component.finalLeaderboard).toEqual([]);
     expect(component.nextRoundError).toBe('');
@@ -341,25 +277,24 @@ describe('HostShellComponent gameplay wiring', () => {
 
     expect(replaceState).toHaveBeenCalledWith(null, '', '#/host/guess/ABCD12');
     expect(component.canStartRound).toBe(false);
-    expect(component.canShowQuestion).toBe(false);
-    expect(component.canMixAnswers).toBe(false);
-    expect(component.canCalculateScores).toBe(true);
-  });
-
-  it('uses phase_view_model to keep host action surface phase-specific', async () => {
-    const component = new HostShellComponent();
-
-    expect(component.canStartRound).toBe(true);
-    expect(component.canShowQuestion).toBe(false);
-
-    component.session = sessionDetailPayload('lie') as any;
-    expect(component.canStartRound).toBe(false);
-    expect(component.canShowQuestion).toBe(true);
-    expect(component.canMixAnswers).toBe(true);
-
-    component.session = sessionDetailPayload('reveal') as any;
-    expect(component.canRevealScoreboard).toBe(true);
     expect(component.canStartNextRound).toBe(false);
     expect(component.canFinishGame).toBe(false);
   });
+
+  it('uses phase_view_model to keep host action surface bound to round boundaries only', async () => {
+    const component = new HostShellComponent();
+
+    expect(component.canStartRound).toBe(true);
+    expect(component.canStartNextRound).toBe(false);
+    expect(component.canFinishGame).toBe(false);
+
+    component.session = sessionDetailPayload('lie') as any;
+    expect(component.canStartRound).toBe(false);
+    expect(component.canStartNextRound).toBe(false);
+    expect(component.canFinishGame).toBe(false);
+
+    component.session = sessionDetailPayload('scoreboard') as any;
+    expect(component.canStartNextRound).toBe(true);
+    expect(component.canFinishGame).toBe(true);
+  });
 });
diff --git a/frontend/angular/src/app/features/host/host-shell.component.ts b/frontend/angular/src/app/features/host/host-shell.component.ts
index 89c6ac9..83d9165 100644
--- a/frontend/angular/src/app/features/host/host-shell.component.ts
+++ b/frontend/angular/src/app/features/host/host-shell.component.ts
@@ -3,13 +3,13 @@ import { Component, OnDestroy, OnInit } from '@angular/core';
 import { FormsModule } from '@angular/forms';
 
 import { createApiClient } from '../../../../../src/api/client';
-import type { FinishGameResponse, ScoreboardResponse, SessionDetailResponse } from '../../../../../src/api/types';
+import type { FinishGameResponse, SessionDetailResponse } from '../../../../../src/api/types';
 import { createVerticalSliceController } from '../../../../../src/spa/vertical-slice';
 import { clientHasNoAudioOutput, resolvePreferredLocale, subscribeToLocaleChanges, t } from '../../lobby-i18n';
 
 type SessionDetail = SessionDetailResponse;
 
-type LeaderboardEntry = ScoreboardResponse['leaderboard'][number];
+type LeaderboardEntry = FinishGameResponse['leaderboard'][number];
 type LeaderboardResponse = FinishGameResponse;
 
 @Component({
@@ -24,17 +24,12 @@ type LeaderboardResponse = FinishGameResponse;
       <label *ngIf="canStartRound">{{ copy('host.category') }} <input [(ngModel)]="categorySlug" /></label>
       <button (click)="refreshSession()" [disabled]="loading">{{ copy('common.refresh') }}</button>
       <button *ngIf="canStartRound" (click)="startRound()" [disabled]="loading">{{ copy('host.start_round') }}</button>
-      <button *ngIf="canShowQuestion" (click)="showQuestion()" [disabled]="loading || !roundQuestionId">{{ copy('host.show_question') }}</button>
-      <button *ngIf="canMixAnswers" (click)="mixAnswers()" [disabled]="loading || !roundQuestionId">{{ copy('host.mix_answers') }}</button>
-      <button *ngIf="canCalculateScores" (click)="calculateScores()" [disabled]="loading || !roundQuestionId">{{ copy('host.calculate_scores') }}</button>
-      <button *ngIf="canRevealScoreboard || scoreboardError" (click)="loadScoreboard()" [disabled]="loading">{{ copy(scoreboardError ? 'host.retry_scoreboard' : 'host.load_scoreboard') }}</button>
       <button *ngIf="canStartNextRound || nextRoundError" (click)="startNextRound()" [disabled]="loading">{{ copy(nextRoundError ? 'host.retry_next_round' : 'host.start_next_round') }}</button>
       <button *ngIf="canFinishGame || finishError" (click)="finishGame()" [disabled]="loading">{{ copy(finishError ? 'host.retry_finish' : 'host.finish_game') }}</button>
     </div>
 
     <p *ngIf="session" class="hint">{{ copy('host.audio_locale_hint') }}: {{ locale }}</p>
     <p *ngIf="error" class="error">{{ error }}</p>
-    <p *ngIf="scoreboardError" class="error">{{ scoreboardError }}</p>
     <p *ngIf="nextRoundError" class="error">{{ nextRoundError }}</p>
     <p *ngIf="finishError" class="error">{{ finishError }}</p>
 
@@ -67,7 +62,6 @@ type LeaderboardResponse = FinishGameResponse;
           </ul>
         </div>
       </div>
-      <pre *ngIf="scoreboardPayload">{{ scoreboardPayload }}</pre>
       <div *ngIf="finalLeaderboard.length">
         <h3>{{ copy('host.final_leaderboard') }}</h3>
         <p *ngIf="finalWinner"><strong>{{ copy('host.winner') }}:</strong> {{ finalWinner.nickname }} ({{ finalWinner.score }} {{ copy('common.points_short') }})</p>
@@ -88,10 +82,8 @@ export class HostShellComponent implements OnInit, OnDestroy {
   roundQuestionId = '';
   loading = false;
   error = '';
-  scoreboardError = '';
   nextRoundError = '';
   finishError = '';
-  scoreboardPayload = '';
   finalLeaderboardPayload = '';
   finalLeaderboard: LeaderboardEntry[] = [];
   finalWinner: LeaderboardEntry | null = null;
@@ -133,22 +125,6 @@ export class HostShellComponent implements OnInit, OnDestroy {
     return Boolean(this.session?.phase_view_model?.host?.can_start_round ?? !this.session);
   }
 
-  get canShowQuestion(): boolean {
-    return Boolean(this.session?.phase_view_model?.host?.can_show_question);
-  }
-
-  get canMixAnswers(): boolean {
-    return Boolean(this.session?.phase_view_model?.host?.can_mix_answers);
-  }
-
-  get canCalculateScores(): boolean {
-    return Boolean(this.session?.phase_view_model?.host?.can_calculate_scores);
-  }
-
-  get canRevealScoreboard(): boolean {
-    return Boolean(this.session?.phase_view_model?.host?.can_reveal_scoreboard);
-  }
-
   get canStartNextRound(): boolean {
     return Boolean(this.session?.phase_view_model?.host?.can_start_next_round);
   }
@@ -193,7 +169,6 @@ export class HostShellComponent implements OnInit, OnDestroy {
   async refreshSession(): Promise<void> {
     this.loading = true;
     this.error = '';
-    this.scoreboardError = '';
     this.nextRoundError = '';
     this.finishError = '';
     try {
@@ -226,54 +201,11 @@ export class HostShellComponent implements OnInit, OnDestroy {
       this.sessionCode = this.session.session.code;
       this.persistSessionCode(this.sessionCode);
       this.roundQuestionId = this.session.round_question?.id ? String(this.session.round_question.id) : '';
-      this.scoreboardPayload = '';
       this.resetFinalLeaderboard();
       this.syncRouteFromSession();
     });
   }
 
-  async showQuestion(): Promise<void> {
-    await this.runAction(async () => {
-      const code = this.normalizeCode(this.sessionCode);
-      await this.request(`/lobby/sessions/${encodeURIComponent(code)}/questions/show`, 'POST', {});
-      await this.refreshSession();
-    });
-  }
-
-  async mixAnswers(): Promise<void> {
-    await this.runAction(async () => {
-      const code = this.normalizeCode(this.sessionCode);
-      const roundQuestionId = this.roundQuestionId.trim();
-      await this.request(`/lobby/sessions/${encodeURIComponent(code)}/questions/${roundQuestionId}/answers/mix`, 'POST', {});
-      await this.refreshSession();
-    });
-  }
-
-  async calculateScores(): Promise<void> {
-    await this.runAction(async () => {
-      const code = this.normalizeCode(this.sessionCode);
-      const roundQuestionId = this.roundQuestionId.trim();
-      await this.request(`/lobby/sessions/${encodeURIComponent(code)}/questions/${roundQuestionId}/scores/calculate`, 'POST', {});
-      await this.refreshSession();
-    });
-  }
-
-  async loadScoreboard(): Promise<void> {
-    this.loading = true;
-    this.scoreboardError = '';
-    this.error = '';
-    try {
-      const code = this.normalizeCode(this.sessionCode);
-      const payload = await this.request<unknown>(`/lobby/sessions/${encodeURIComponent(code)}/scoreboard`, 'GET');
-      this.scoreboardPayload = JSON.stringify(payload, null, 2);
-      await this.refreshSession();
-    } catch (error) {
-      this.scoreboardError = `${this.copy('host.scoreboard_failed')}: ${(error as Error).message}`;
-    } finally {
-      this.loading = false;
-    }
-  }
-
   async startNextRound(): Promise<void> {
     this.loading = true;
     this.nextRoundError = '';
@@ -284,7 +216,6 @@ export class HostShellComponent implements OnInit, OnDestroy {
         throw new Error(this.copy('host.session_code_required'));
       }
       await this.request(`/lobby/sessions/${encodeURIComponent(code)}/rounds/next`, 'POST', {});
-      this.scoreboardPayload = '';
       this.resetFinalLeaderboard();
       await this.refreshSession();
     } catch (error) {
diff --git a/frontend/tests/angular-api-client.test.ts b/frontend/tests/angular-api-client.test.ts
index 275f463..328d4f8 100644
--- a/frontend/tests/angular-api-client.test.ts
+++ b/frontend/tests/angular-api-client.test.ts
@@ -634,7 +634,7 @@ describe('createAngularApiClient', () => {
       }
       if (url === '/lobby/sessions/ABCD12/rounds/next') {
         expect(body).toEqual({});
-        return { session: { code: 'ABCD12', status: 'lobby', current_round: 2 } } as T;
+        return { session: { code: 'ABCD12', status: 'lie', current_round: 2 } } as T;
       }
       if (url === '/lobby/sessions/ABCD12/finish') {
         expect(body).toEqual({});
diff --git a/lobby/templates/lobby/host_screen.html b/lobby/templates/lobby/host_screen.html
index 3c66382..6ffdee5 100644
--- a/lobby/templates/lobby/host_screen.html
+++ b/lobby/templates/lobby/host_screen.html
@@ -24,14 +24,10 @@
 <p id="categoryGuardHint">Kategori er kun redigérbar i lobby-fasen.</p>
 
 <p id="phaseStatus">Fase: ukendt (opdatér session-status).</p>
-<button id="showQuestionBtn" onclick="showQuestion()" disabled>3) Vis spørgsmål</button>
-<input id="roundQuestionId" placeholder="Round question id">
-<p id="roundQuestionGuardHint">Round question-id kan kun redigeres i lie/guess/reveal-faser.</p>
-<button id="mixAnswersBtn" onclick="mixAnswers()" disabled>4) Mix svar</button>
-<button id="calcScoresBtn" onclick="calcScores()" disabled>5) Beregn score</button>
-<button id="showScoreboardBtn" onclick="showScoreboard()" disabled>6) Scoreboard</button>
-<button id="nextRoundBtn" onclick="nextRound()" disabled>7) Næste runde</button>
-<button id="finishGameBtn" onclick="finishGame()" disabled>8) Afslut spil</button>
+<p id="roundQuestionStatus">Aktiv round question: afventer session-status.</p>
+<p id="roundQuestionGuardHint">Round question-id styres server-side i canonical flow og er kun read-only kontekst for host.</p>
+<button id="nextRoundBtn" onclick="nextRound()" disabled>3) Næste runde</button>
+<button id="finishGameBtn" onclick="finishGame()" disabled>4) Afslut spil</button>
 <p id="hostActionHint">Angiv sessionkode for at aktivere host-actions.</p>
 <p id="hostErrorHint">Ingen fejl.</p>
 <button id="sessionDetailBtn" onclick="sessionDetail()">Session-status</button>
@@ -74,9 +70,10 @@ var hostShellFatalError=false;
 var hostShellRecoverInFlight=false;
 var hostCriticalHydrated=false;
 function setHostCriticalLoading(isLoading){var skeleton=document.getElementById("hostCriticalSkeleton");var view=document.getElementById("hostCriticalView");if(!skeleton||!view){return;}skeleton.style.display=isLoading?"block":"none";view.style.display=isLoading?"none":"block";}
-function hydrateHostCriticalView(data){var session=(data&&data.session)||{};var phaseEl=document.getElementById("hostCriticalPhase");var playersEl=document.getElementById("hostCriticalPlayers");var roundEl=document.getElementById("hostCriticalRound");if(phaseEl){phaseEl.textContent="Fase: "+phaseLabel(currentSessionStatus||session.status||"");}
+function hydrateHostCriticalView(data){var session=(data&&data.session)||{};var phaseEl=document.getElementById("hostCriticalPhase");var playersEl=document.getElementById("hostCriticalPlayers");var roundEl=document.getElementById("hostCriticalRound");var roundStatus=document.getElementById("roundQuestionStatus");var roundQuestionId=(data&&data.round_question&&data.round_question.id)?String(data.round_question.id):"";if(phaseEl){phaseEl.textContent="Fase: "+phaseLabel(currentSessionStatus||session.status||"");}
 if(playersEl){playersEl.textContent="Spillere: "+(typeof session.players_count==="number"?session.players_count:"ukendt");}
-if(roundEl){roundEl.textContent="Aktiv round question: "+(rq()||"ikke valgt");}
+if(roundEl){roundEl.textContent="Aktiv round question: "+(roundQuestionId||"ikke valgt");}
+if(roundStatus){roundStatus.textContent="Aktiv round question: "+(roundQuestionId||"afventer session-status.");}
 hostCriticalHydrated=true;
 setHostCriticalLoading(false);
 }
@@ -86,9 +83,8 @@ function setHostShellFatalError(detail){hostShellFatalError=true;var out=documen
 function clearHostShellFatalError(){hostShellFatalError=false;hostShellRecoverInFlight=false;updateHostShellErrorBoundary();}
 function recoverHostShell(mode){if(hostShellRecoverInFlight){return Promise.resolve({error:"recover_in_flight"});}hostShellRecoverInFlight=true;updateHostShellErrorBoundary();if(mode==="reload"){window.location.reload();return Promise.resolve({ok:true});}if(!code()){hostShellRecoverInFlight=false;updateHostShellErrorBoundary();return Promise.resolve({error:"missing_session_code"});}return sessionDetail().then(function(result){clearHostShellFatalError();return result;}).catch(function(err){hostShellRecoverInFlight=false;updateHostShellErrorBoundary();throw err;});}
 function code(){return document.getElementById("code").value.trim().toUpperCase();}
-function rq(){return document.getElementById("roundQuestionId").value.trim();}
-function saveHostContext(){try{localStorage.setItem("wppHostContext",JSON.stringify({code:code(),round_question_id:rq(),session_status:currentSessionStatus||"",auto_refresh:autoRefreshEnabled}));}catch(_e){}}
-function restoreHostContext(){try{var raw=localStorage.getItem("wppHostContext");if(!raw){return false;}var ctx=JSON.parse(raw);if(ctx.code){document.getElementById("code").value=(ctx.code||"").toUpperCase();}if(ctx.round_question_id){document.getElementById("roundQuestionId").value=ctx.round_question_id;}if(ctx.session_status){currentSessionStatus=ctx.session_status;}autoRefreshEnabled=!!ctx.auto_refresh;updateAutoRefreshUi();return !!ctx.code;}catch(_e){return false;}}
+function saveHostContext(){try{localStorage.setItem("wppHostContext",JSON.stringify({code:code(),session_status:currentSessionStatus||"",auto_refresh:autoRefreshEnabled}));}catch(_e){}}
+function restoreHostContext(){try{var raw=localStorage.getItem("wppHostContext");if(!raw){return false;}var ctx=JSON.parse(raw);if(ctx.code){document.getElementById("code").value=(ctx.code||"").toUpperCase();}if(ctx.session_status){currentSessionStatus=ctx.session_status;}autoRefreshEnabled=!!ctx.auto_refresh;updateAutoRefreshUi();return !!ctx.code;}catch(_e){return false;}}
 function phaseLabel(status){if(status==="lobby"){return"Lobby";}if(status==="lie"){return"Lie";}if(status==="guess"){return"Guess";}if(status==="reveal"){return"Reveal";}if(status==="scoreboard"){return"Scoreboard";}if(status==="finished"){return"Finished";}return"Unknown";}
 function hostShellRouteFromPath(){var marker="/lobby/ui/host";var path=(window.location.pathname||"").toLowerCase();var idx=path.indexOf(marker);if(idx===-1){return"";}var remainder=path.slice(idx+marker.length).replace(/^\/+|\/+$/g,"");if(!remainder){return"";}var route=remainder.split("/")[0];return HOST_SHELL_ROUTES[route]?route:"";}
 function expectedHostShellRoute(){return HOST_SHELL_ROUTES[currentSessionStatus]||"";}
@@ -108,20 +104,16 @@ function updateCreateSessionState(){var btn=document.getElementById("createSessi
 function updatePhaseStatus(){var el=document.getElementById("phaseStatus");syncHostShellRoute();if(!el){return;}if(!currentSessionStatus){el.textContent="Fase: ukendt (opdatér session-status).";return;}el.textContent="Fase: "+phaseLabel(currentSessionStatus)+" ("+currentSessionStatus+")";}
 function syncStartRoundGuard(data){var btn=document.getElementById("startRoundBtn");var hint=document.getElementById("startRoundHint");var status=document.getElementById("playerCountStatus");if(!btn||!hint||!status){return;}var count=(data&&data.session&&typeof data.session.players_count==="number")?data.session.players_count:null;var phase=currentSessionStatus||"";if(phase&&phase!=="lobby"){btn.disabled=true;status.textContent=count===null?"Spillere i session: ukendt":"Spillere i session: "+count;hint.textContent="Start runde er kun tilladt i lobby-fasen.";return;}if(count===null){btn.disabled=true;status.textContent="Spillere i session: ukendt";hint.textContent="Opdatér session-status for at validere 3-5 spillere.";return;}status.textContent="Spillere i session: "+count;if(count<3){btn.disabled=true;hint.textContent="Mangler spillere: kræver mindst 3 for at starte runde.";return;}if(count>5){btn.disabled=true;hint.textContent="For mange spillere: maks 5 i MVP før runde-start.";return;}btn.disabled=false;hint.textContent="Klar: spillerantal er indenfor 3-5 til runde-start.";}
 
-function updateHostActionState(){updateCreateSessionState();var hasCode=!!code();var hasRound=!!rq();var phase=currentSessionStatus||"";var showQuestionBtn=document.getElementById("showQuestionBtn");var mixAnswersBtn=document.getElementById("mixAnswersBtn");var calcScoresBtn=document.getElementById("calcScoresBtn");var showScoreboardBtn=document.getElementById("showScoreboardBtn");var nextRoundBtn=document.getElementById("nextRoundBtn");var finishGameBtn=document.getElementById("finishGameBtn");var roundQuestionInput=document.getElementById("roundQuestionId");var roundQuestionGuardHint=document.getElementById("roundQuestionGuardHint");var categorySelect=document.getElementById("category");var categoryGuardHint=document.getElementById("categoryGuardHint");var hint=document.getElementById("hostActionHint");if(showQuestionBtn){showQuestionBtn.disabled=hostActionInFlight||sessionDetailInFlight||!hasCode||phase!=="lie";}if(showScoreboardBtn){showScoreboardBtn.disabled=hostActionInFlight||sessionDetailInFlight||!hasCode||phase!=="reveal";}if(nextRoundBtn){nextRoundBtn.disabled=hostActionInFlight||sessionDetailInFlight||!hasCode||phase!=="scoreboard";}if(finishGameBtn){finishGameBtn.disabled=hostActionInFlight||sessionDetailInFlight||!hasCode||phase!=="scoreboard";}if(mixAnswersBtn){mixAnswersBtn.disabled=hostActionInFlight||sessionDetailInFlight||!hasCode||!hasRound||(phase!=="lie"&&phase!=="guess");}if(calcScoresBtn){calcScoresBtn.disabled=hostActionInFlight||sessionDetailInFlight||!hasCode||!hasRound||phase!=="guess";}var canEditRoundQuestion=!!hasCode&&(phase==="lie"||phase==="guess"||phase==="reveal");if(roundQuestionInput){roundQuestionInput.disabled=hostActionInFlight||sessionDetailInFlight||!canEditRoundQuestion;}if(roundQuestionGuardHint){if(hostActionInFlight){roundQuestionGuardHint.textContent="Round question-id er låst mens en handling kører.";}else if(sessionDetailInFlight){roundQuestionGuardHint.textContent="Round question-id er låst mens session-opdatering kører.";}else if(!hasCode){roundQuestionGuardHint.textContent="Angiv sessionkode for at redigere round question-id.";}else if(!phase){roundQuestionGuardHint.textContent="Opdatér session-status for round question-id.";}else if(canEditRoundQuestion){roundQuestionGuardHint.textContent="Round question-id kan redigeres i fase: "+phaseLabel(phase)+".";}else{roundQuestionGuardHint.textContent="Round question-id er låst i fase: "+phaseLabel(phase)+".";}}if(categorySelect){categorySelect.disabled=hostActionInFlight||sessionDetailInFlight||!hasCode||phase!=="lobby";}if(categoryGuardHint){if(hostActionInFlight){categoryGuardHint.textContent="Kategori er midlertidigt låst mens en handling kører.";}else if(sessionDetailInFlight){categoryGuardHint.textContent="Kategori er låst mens session-opdatering kører.";}else if(!hasCode){categoryGuardHint.textContent="Angiv sessionkode for at låse kategori til lobby-fasen.";}else if(phase==="lobby"){categoryGuardHint.textContent="Kategori kan vælges i lobby-fasen.";}else if(!phase){categoryGuardHint.textContent="Opdatér session-status for at validere kategori-lås.";}else{categoryGuardHint.textContent="Kategori er låst udenfor lobby-fasen.";}}if(!hint){return;}if(hostActionInFlight){hint.textContent="Handling kører… afvent svar før næste klik.";return;}if(sessionDetailInFlight){hint.textContent="Host-actions er låst mens session-opdatering kører.";return;}if(!hasCode){hint.textContent="Angiv sessionkode for at aktivere host-actions.";return;}if(!phase){hint.textContent="Opdatér session-status for fasebaserede host-actions.";return;}if(phase==="finished"){hint.textContent="Spillet er afsluttet: gameplay-actions er låst.";return;}if((phase==="lie"||phase==="guess")&&!hasRound){hint.textContent="Round question id mangler: mix/beregn score er låst.";return;}if(hostShellRouteHint){hint.textContent=hostShellRouteHint;return;}hint.textContent="Host-actions er klar for fase: "+phaseLabel(phase)+".";}
-async function api(path,method,payload){var o={method:method||"GET",headers:{"Accept":"application/json"}};if(payload!==null){o.headers["Content-Type"]="application/json";o.headers["X-CSRFToken"]=csrf();o.body=JSON.stringify(payload);}var r=await fetch(path,o);var d=await r.json().catch(function(){return {};});var isSessionDetailRead=(method||"GET")==="GET"&&/^\/lobby\/sessions\/[A-Z0-9]+$/.test(path);if(isSessionDetailRead){markSessionRefresh(r.status);}document.getElementById("out").textContent=JSON.stringify({status:r.status,data:d},null,2);if(d.session&&d.session.code){document.getElementById("code").value=d.session.code;}if(d.session&&d.session.status){currentSessionStatus=d.session.status;}if(d.round_question&&d.round_question.id){document.getElementById("roundQuestionId").value=d.round_question.id;}if(d.session){hydrateHostCriticalView(d);}updateErrorHint(r.status,d);updatePhaseStatus();syncStartRoundGuard(d);updateHostActionState();if(currentSessionStatus==="finished"&&autoRefreshEnabled){stopAutoRefresh("Auto-refresh stoppet: spillet er afsluttet.");}else{updateAutoRefreshUi();}if(hostShellFatalError){clearHostShellFatalError();}saveHostContext();return d;}
+function updateHostActionState(){updateCreateSessionState();var hasCode=!!code();var phase=currentSessionStatus||"";var nextRoundBtn=document.getElementById("nextRoundBtn");var finishGameBtn=document.getElementById("finishGameBtn");var roundQuestionGuardHint=document.getElementById("roundQuestionGuardHint");var categorySelect=document.getElementById("category");var categoryGuardHint=document.getElementById("categoryGuardHint");var hint=document.getElementById("hostActionHint");if(nextRoundBtn){nextRoundBtn.disabled=hostActionInFlight||sessionDetailInFlight||!hasCode||phase!=="scoreboard";}if(finishGameBtn){finishGameBtn.disabled=hostActionInFlight||sessionDetailInFlight||!hasCode||phase!=="scoreboard";}if(roundQuestionGuardHint){if(hostActionInFlight){roundQuestionGuardHint.textContent="Round question-id er låst mens en handling kører.";}else if(sessionDetailInFlight){roundQuestionGuardHint.textContent="Round question-id er låst mens session-opdatering kører.";}else if(!hasCode){roundQuestionGuardHint.textContent="Angiv sessionkode for at se aktiv round question.";}else if(!phase){roundQuestionGuardHint.textContent="Opdatér session-status for round question-kontekst.";}else{roundQuestionGuardHint.textContent="Round question-id styres server-side i canonical flow og er read-only i fase: "+phaseLabel(phase)+".";}}if(categorySelect){categorySelect.disabled=hostActionInFlight||sessionDetailInFlight||!hasCode||phase!=="lobby";}if(categoryGuardHint){if(hostActionInFlight){categoryGuardHint.textContent="Kategori er midlertidigt låst mens en handling kører.";}else if(sessionDetailInFlight){categoryGuardHint.textContent="Kategori er låst mens session-opdatering kører.";}else if(!hasCode){categoryGuardHint.textContent="Angiv sessionkode for at låse kategori til lobby-fasen.";}else if(phase==="lobby"){categoryGuardHint.textContent="Kategori kan vælges i lobby-fasen.";}else if(!phase){categoryGuardHint.textContent="Opdatér session-status for at validere kategori-lås.";}else{categoryGuardHint.textContent="Kategori er låst udenfor lobby-fasen.";}}if(!hint){return;}if(hostActionInFlight){hint.textContent="Handling kører… afvent svar før næste klik.";return;}if(sessionDetailInFlight){hint.textContent="Host-actions er låst mens session-opdatering kører.";return;}if(!hasCode){hint.textContent="Angiv sessionkode for at aktivere host-actions.";return;}if(!phase){hint.textContent="Opdatér session-status for fasebaserede host-actions.";return;}if(phase==="finished"){hint.textContent="Spillet er afsluttet: gameplay-actions er låst.";return;}if(phase==="scoreboard"){hint.textContent="Host-actions er klar: vælg næste runde eller afslut spillet.";return;}if(hostShellRouteHint){hint.textContent=hostShellRouteHint;return;}hint.textContent="Mid-round faseskift er server-styrede i canonical flow. Host monitorerer kun fremdrift i fase: "+phaseLabel(phase)+".";}
+async function api(path,method,payload){var o={method:method||"GET",headers:{"Accept":"application/json"}};if(payload!==null){o.headers["Content-Type"]="application/json";o.headers["X-CSRFToken"]=csrf();o.body=JSON.stringify(payload);}var r=await fetch(path,o);var d=await r.json().catch(function(){return {};});var isSessionDetailRead=(method||"GET")==="GET"&&/^\/lobby\/sessions\/[A-Z0-9]+$/.test(path);if(isSessionDetailRead){markSessionRefresh(r.status);}document.getElementById("out").textContent=JSON.stringify({status:r.status,data:d},null,2);if(d.session&&d.session.code){document.getElementById("code").value=d.session.code;}if(d.session&&d.session.status){currentSessionStatus=d.session.status;}if(d.session){hydrateHostCriticalView(d);}updateErrorHint(r.status,d);updatePhaseStatus();syncStartRoundGuard(d);updateHostActionState();if(currentSessionStatus==="finished"&&autoRefreshEnabled){stopAutoRefresh("Auto-refresh stoppet: spillet er afsluttet.");}else{updateAutoRefreshUi();}if(hostShellFatalError){clearHostShellFatalError();}saveHostContext();return d;}
 
 function withHostActionLock(fn){if(hostActionInFlight){return Promise.resolve({error:"host_action_in_flight"});}hostActionInFlight=true;updateHostActionState();return Promise.resolve().then(fn).finally(function(){hostActionInFlight=false;updateHostActionState();});}
 function createSession(){return withHostActionLock(function(){return api("/lobby/sessions/create","POST",{});});} 
 function sessionDetail(){if(!code()){updateSessionDetailState();return Promise.resolve({error:"missing_session_code"});}if(sessionDetailInFlight){return Promise.resolve({error:"session_detail_in_flight"});}sessionDetailInFlight=true;updateSessionDetailState();return api("/lobby/sessions/"+code(),"GET",null).finally(function(){sessionDetailInFlight=false;updateSessionDetailState();});} 
 function startRound(){if(document.getElementById("startRoundBtn").disabled){return Promise.resolve({error:"not_enough_players_client_guard"});}return withHostActionLock(function(){return api("/lobby/sessions/"+code()+"/rounds/start","POST",{category_slug:document.getElementById("category").value});});}
-function showQuestion(){return withHostActionLock(function(){return api("/lobby/sessions/"+code()+"/questions/show","POST",{});});} 
-function mixAnswers(){return withHostActionLock(function(){return api("/lobby/sessions/"+code()+"/questions/"+rq()+"/answers/mix","POST",{});});} 
-function calcScores(){return withHostActionLock(function(){return api("/lobby/sessions/"+code()+"/questions/"+rq()+"/scores/calculate","POST",{});});} 
-function showScoreboard(){return withHostActionLock(function(){return api("/lobby/sessions/"+code()+"/scoreboard","GET",null);});} 
 function nextRound(){return withHostActionLock(function(){return api("/lobby/sessions/"+code()+"/rounds/next","POST",{});});} 
 function finishGame(){return withHostActionLock(function(){return api("/lobby/sessions/"+code()+"/finish","POST",{});});} 
-["code","roundQuestionId"].forEach(function(fieldId){var field=document.getElementById(fieldId);if(!field){return;}field.addEventListener("input",function(){syncStartRoundGuard(null);updateHostActionState();updateSessionDetailState();saveHostContext();});field.addEventListener("change",function(){syncStartRoundGuard(null);updateHostActionState();updateSessionDetailState();saveHostContext();});});
+["code"].forEach(function(fieldId){var field=document.getElementById(fieldId);if(!field){return;}field.addEventListener("input",function(){syncStartRoundGuard(null);updateHostActionState();updateSessionDetailState();saveHostContext();});field.addEventListener("change",function(){syncStartRoundGuard(null);updateHostActionState();updateSessionDetailState();saveHostContext();});});
 
 window.addEventListener("error",function(event){setHostShellFatalError((event&&event.message)||"Ukendt runtime-fejl");});
 window.addEventListener("unhandledrejection",function(event){var reason=event&&event.reason;var detail=(reason&&reason.message)||String(reason||"Unhandled promise rejection");setHostShellFatalError(detail);});
diff --git a/lobby/tests.py b/lobby/tests.py
index f59689e..bb6f6d5 100644
--- a/lobby/tests.py
+++ b/lobby/tests.py
@@ -1218,8 +1218,7 @@ class UiScreenTests(TestCase):
         self.assertContains(response, "id=\"createSessionHint\"")
         self.assertContains(response, "saveHostContext")
         self.assertContains(response, "restoreHostContext")
-        self.assertContains(response, "id=\"showQuestionBtn\"")
-        self.assertContains(response, "id=\"mixAnswersBtn\"")
+        self.assertContains(response, "id=\"roundQuestionStatus\"")
         self.assertContains(response, "id=\"hostActionHint\"")
         self.assertContains(response, "id=\"categoryGuardHint\"")
 
@@ -1231,8 +1230,8 @@ class UiScreenTests(TestCase):
         self.assertContains(response, "Kategori er kun redigérbar i lobby-fasen.")
         self.assertContains(response, "Kræver 3-5 spillere i lobbyen.")
         self.assertContains(response, "For mange spillere: maks 5 i MVP før runde-start.")
-        self.assertContains(response, "Round question-id kan kun redigeres i lie/guess/reveal-faser.")
-        self.assertContains(response, "roundQuestionInput.disabled=hostActionInFlight||sessionDetailInFlight||!canEditRoundQuestion")
+        self.assertContains(response, "Round question-id styres server-side i canonical flow og er kun read-only kontekst for host.")
+        self.assertContains(response, "Round question-id styres server-side i canonical flow og er read-only i fase:")
         self.assertContains(response, "categorySelect.disabled=hostActionInFlight||sessionDetailInFlight||!hasCode||phase!==\"lobby\"")
         self.assertContains(response, "hostActionInFlight")
         self.assertContains(response, "withHostActionLock")
@@ -1261,7 +1260,9 @@ class UiScreenTests(TestCase):
         self.assertContains(response, "markSessionRefresh")
         self.assertContains(response, "updateLastRefreshStatus")
         self.assertContains(response, "isSessionDetailRead")
-        self.assertContains(response, "showQuestionBtn.disabled=hostActionInFlight||sessionDetailInFlight||!hasCode||phase!==")
+        self.assertContains(response, "Mid-round faseskift er server-styrede i canonical flow. Host monitorerer kun fremdrift i fase:")
+        self.assertContains(response, "Host-actions er klar: vælg næste runde eller afslut spillet.")
+        self.assertContains(response, 'if(nextRoundBtn){nextRoundBtn.disabled=hostActionInFlight||sessionDetailInFlight||!hasCode||phase!=="scoreboard";}')
         self.assertContains(response, "Host-actions er låst mens session-opdatering kører.")
         self.assertContains(response, "Round question-id er låst mens session-opdatering kører.")
         self.assertContains(response, "Kategori er låst mens session-opdatering kører.")