Update competition API routes to use /competitions prefix

Harmonize all competition-related API endpoints to use plural
/competitions prefix for consistency with REST conventions.

src/lib/api/competition-admin.ts

@@ -88,7 +88,7 @@ function buildNetworkError(message: string): CompetitionApiResult<never> {
 // ============================================================================
 
 /**
- * GET /competition/templates
+ * GET /competitions/templates
  * List competition templates
  */
 export async function listTemplates(
@@ -101,7 +101,7 @@ export async function listTemplates(
     if (filters?.sport_id !== undefined) params.set('sport_id', String(filters.sport_id));
     if (filters?.include_inactive) params.set('include_inactive', 'true');
 
-    const response = await apiFetch(`/competition/templates?${params}`, {
+    const response = await apiFetch(`/competitions/templates?${params}`, {
       method: 'GET',
       headers: { 'Content-Type': 'application/json' },
     });
@@ -117,14 +117,14 @@ export async function listTemplates(
 }
 
 /**
- * GET /competition/templates/{template_id}
+ * GET /competitions/templates/{template_id}
  * Get a single template
  */
 export async function getTemplate(
   templateId: number
 ): Promise<CompetitionApiResult<CompetitionTemplate>> {
   try {
-    const response = await apiFetch(`/competition/templates/${templateId}`, {
+    const response = await apiFetch(`/competitions/templates/${templateId}`, {
       method: 'GET',
       headers: { 'Content-Type': 'application/json' },
     });
@@ -140,7 +140,7 @@ export async function getTemplate(
 }
 
 /**
- * POST /competition/templates
+ * POST /competitionss/templates
  * Create a new template
  */
 export async function createTemplate(
@@ -148,7 +148,7 @@ export async function createTemplate(
   request: CreateTemplateRequest
 ): Promise<CompetitionApiResult<CompetitionTemplate>> {
   try {
-    const response = await apiFetch('/competition/templates', {
+    const response = await apiFetch('/competitions/templates', {
       method: 'POST',
       headers: { 'Content-Type': 'application/json' },
       body: JSON.stringify({ ...request, facility_id: facilityId }),
@@ -165,7 +165,7 @@ export async function createTemplate(
 }
 
 /**
- * PATCH /competition/templates/{template_id}
+ * PATCH /competitions/templates/{template_id}
  * Update a template
  */
 export async function updateTemplate(
@@ -173,7 +173,7 @@ export async function updateTemplate(
   request: UpdateTemplateRequest
 ): Promise<CompetitionApiResult<CompetitionTemplate>> {
   try {
-    const response = await apiFetch(`/competition/templates/${templateId}`, {
+    const response = await apiFetch(`/competitions/templates/${templateId}`, {
       method: 'PATCH',
       headers: { 'Content-Type': 'application/json' },
       body: JSON.stringify(request),
@@ -224,14 +224,14 @@ export async function listCompetitions(
 }
 
 /**
- * GET /competition/{competition_id}
+ * GET /competitions/{competition_id}
  * Get competition with stages
  */
 export async function getCompetition(
   competitionId: number
 ): Promise<CompetitionApiResult<Competition>> {
   try {
-    const response = await apiFetch(`/competition/${competitionId}`, {
+    const response = await apiFetch(`/competitions/${competitionId}`, {
       method: 'GET',
       headers: { 'Content-Type': 'application/json' },
     });
@@ -247,7 +247,7 @@ export async function getCompetition(
 }
 
 /**
- * POST /competition
+ * POST /competitions
  * Create a new competition
  */
 export async function createCompetition(
@@ -255,7 +255,7 @@ export async function createCompetition(
   request: CreateCompetitionRequest
 ): Promise<CompetitionApiResult<Competition>> {
   try {
-    const response = await apiFetch('/competition', {
+    const response = await apiFetch('/competitions', {
       method: 'POST',
       headers: { 'Content-Type': 'application/json' },
       body: JSON.stringify({ ...request, facility_id: facilityId }),
@@ -272,7 +272,7 @@ export async function createCompetition(
 }
 
 /**
- * PATCH /competition/{competition_id}
+ * PATCH /competitions/{competition_id}
  * Update a competition
  */
 export async function updateCompetition(
@@ -280,7 +280,7 @@ export async function updateCompetition(
   request: UpdateCompetitionRequest
 ): Promise<CompetitionApiResult<Competition>> {
   try {
-    const response = await apiFetch(`/competition/${competitionId}`, {
+    const response = await apiFetch(`/competitions/${competitionId}`, {
       method: 'PATCH',
       headers: { 'Content-Type': 'application/json' },
       body: JSON.stringify(request),
@@ -297,14 +297,14 @@ export async function updateCompetition(
 }
 
 /**
- * POST /competition/{competition_id}/publish
+ * POST /competitions/{competition_id}/publish
  * Publish a competition (draft -> published)
  */
 export async function publishCompetition(
   competitionId: number
 ): Promise<CompetitionApiResult<Competition>> {
   try {
-    const response = await apiFetch(`/competition/${competitionId}/publish`, {
+    const response = await apiFetch(`/competitions/${competitionId}/publish`, {
       method: 'POST',
       headers: { 'Content-Type': 'application/json' },
     });
@@ -320,14 +320,14 @@ export async function publishCompetition(
 }
 
 /**
- * POST /competition/{competition_id}/start
+ * POST /competitions/{competition_id}/start
  * Start a competition (published -> running)
  */
 export async function startCompetition(
   competitionId: number
 ): Promise<CompetitionApiResult<Competition>> {
   try {
-    const response = await apiFetch(`/competition/${competitionId}/start`, {
+    const response = await apiFetch(`/competitions/${competitionId}/start`, {
       method: 'POST',
       headers: { 'Content-Type': 'application/json' },
     });
@@ -343,14 +343,14 @@ export async function startCompetition(
 }
 
 /**
- * POST /competition/{competition_id}/finish
+ * POST /competitions/{competition_id}/finish
  * Finish a competition (running -> finished)
  */
 export async function finishCompetition(
   competitionId: number
 ): Promise<CompetitionApiResult<Competition>> {
   try {
-    const response = await apiFetch(`/competition/${competitionId}/finish`, {
+    const response = await apiFetch(`/competitions/${competitionId}/finish`, {
       method: 'POST',
       headers: { 'Content-Type': 'application/json' },
     });
@@ -366,14 +366,14 @@ export async function finishCompetition(
 }
 
 /**
- * POST /competition/{competition_id}/cancel
+ * POST /competitions/{competition_id}/cancel
  * Cancel a competition
  */
 export async function cancelCompetition(
   competitionId: number
 ): Promise<CompetitionApiResult<Competition>> {
   try {
-    const response = await apiFetch(`/competition/${competitionId}/cancel`, {
+    const response = await apiFetch(`/competitions/${competitionId}/cancel`, {
       method: 'POST',
       headers: { 'Content-Type': 'application/json' },
     });
@@ -393,7 +393,7 @@ export async function cancelCompetition(
 // ============================================================================
 
 /**
- * GET /competition/{competition_id}/registrations
+ * GET /competitions/{competition_id}/registrations
  * List registrations for a competition
  */
 export async function listRegistrations(
@@ -405,7 +405,7 @@ export async function listRegistrations(
     if (filters?.status) params.set('status', filters.status);
 
     const queryString = params.toString();
-    const endpoint = `/competition/${competitionId}/registrations${queryString ? `?${queryString}` : ''}`;
+    const endpoint = `/competitions/${competitionId}/registrations${queryString ? `?${queryString}` : ''}`;
 
     const response = await apiFetch(endpoint, {
       method: 'GET',
@@ -423,7 +423,7 @@ export async function listRegistrations(
 }
 
 /**
- * POST /competition/{competition_id}/registrations/{registration_id}/approve
+ * POST /competitions/{competition_id}/registrations/{registration_id}/approve
  * Approve a registration
  */
 export async function approveRegistration(
@@ -432,7 +432,7 @@ export async function approveRegistration(
 ): Promise<CompetitionApiResult<{ participant_id: number }>> {
   try {
     const response = await apiFetch(
-      `/competition/${competitionId}/registrations/${registrationId}/approve`,
+      `/competitions/${competitionId}/registrations/${registrationId}/approve`,
       {
         method: 'POST',
         headers: { 'Content-Type': 'application/json' },
@@ -446,7 +446,7 @@ export async function approveRegistration(
 }
 
 /**
- * POST /competition/{competition_id}/registrations/{registration_id}/reject
+ * POST /competitions/{competition_id}/registrations/{registration_id}/reject
  * Reject a registration
  */
 export async function rejectRegistration(
@@ -455,7 +455,7 @@ export async function rejectRegistration(
 ): Promise<CompetitionApiResult<void>> {
   try {
     const response = await apiFetch(
-      `/competition/${competitionId}/registrations/${registrationId}/reject`,
+      `/competitions/${competitionId}/registrations/${registrationId}/reject`,
       {
         method: 'POST',
         headers: { 'Content-Type': 'application/json' },
@@ -473,7 +473,7 @@ export async function rejectRegistration(
 // ============================================================================
 
 /**
- * GET /competition/{competition_id}/participants
+ * GET /competitions/{competition_id}/participants
  * List participants for a competition
  */
 export async function listParticipants(
@@ -486,7 +486,7 @@ export async function listParticipants(
     if (filters?.stage_group_id !== undefined) params.set('stage_group_id', String(filters.stage_group_id));
 
     const queryString = params.toString();
-    const endpoint = `/competition/${competitionId}/participants${queryString ? `?${queryString}` : ''}`;
+    const endpoint = `/competitions/${competitionId}/participants${queryString ? `?${queryString}` : ''}`;
 
     const response = await apiFetch(endpoint, {
       method: 'GET',
@@ -504,7 +504,7 @@ export async function listParticipants(
 }
 
 /**
- * POST /competition/{competition_id}/participants
+ * POST /competitions/{competition_id}/participants
  * Create a participant manually (without registration)
  */
 export async function createParticipant(
@@ -512,7 +512,7 @@ export async function createParticipant(
   request: CreateParticipantRequest
 ): Promise<CompetitionApiResult<CompetitionParticipant>> {
   try {
-    const response = await apiFetch(`/competition/${competitionId}/participants`, {
+    const response = await apiFetch(`/competitions/${competitionId}/participants`, {
       method: 'POST',
       headers: { 'Content-Type': 'application/json' },
       body: JSON.stringify(request),
@@ -529,7 +529,7 @@ export async function createParticipant(
 }
 
 /**
- * POST /competition/participants/{participant_id}/assign-group
+ * POST /competitions/participants/{participant_id}/assign-group
  * Assign a participant to a group
  */
 export async function assignParticipantToGroup(
@@ -537,7 +537,7 @@ export async function assignParticipantToGroup(
   groupId: number
 ): Promise<CompetitionApiResult<void>> {
   try {
-    const response = await apiFetch(`/competition/participants/${participantId}/assign-group`, {
+    const response = await apiFetch(`/competitions/participants/${participantId}/assign-group`, {
       method: 'POST',
       headers: { 'Content-Type': 'application/json' },
       body: JSON.stringify({ group_id: groupId }),
@@ -550,7 +550,7 @@ export async function assignParticipantToGroup(
 }
 
 /**
- * POST /competition/participants/{participant_id}/seed
+ * POST /competitions/participants/{participant_id}/seed
  * Set participant seed
  */
 export async function setParticipantSeed(
@@ -558,7 +558,7 @@ export async function setParticipantSeed(
   seed: number
 ): Promise<CompetitionApiResult<void>> {
   try {
-    const response = await apiFetch(`/competition/participants/${participantId}/seed`, {
+    const response = await apiFetch(`/competitions/participants/${participantId}/seed`, {
       method: 'POST',
       headers: { 'Content-Type': 'application/json' },
       body: JSON.stringify({ seed }),
@@ -571,14 +571,14 @@ export async function setParticipantSeed(
 }
 
 /**
- * POST /competition/participants/{participant_id}/withdraw
+ * POST /competitions/participants/{participant_id}/withdraw
  * Withdraw a participant
  */
 export async function withdrawParticipant(
   participantId: number
 ): Promise<CompetitionApiResult<void>> {
   try {
-    const response = await apiFetch(`/competition/participants/${participantId}/withdraw`, {
+    const response = await apiFetch(`/competitions/participants/${participantId}/withdraw`, {
       method: 'POST',
       headers: { 'Content-Type': 'application/json' },
     });
@@ -594,7 +594,7 @@ export async function withdrawParticipant(
 // ============================================================================
 
 /**
- * POST /competition/{competition_id}/stages/{stage_id}/generate-fixtures
+ * POST /competitions/{competition_id}/stages/{stage_id}/generate-fixtures
  * Generate fixtures for a stage
  */
 export async function generateFixtures(
@@ -604,7 +604,7 @@ export async function generateFixtures(
 ): Promise<CompetitionApiResult<{ match_count: number; match_ids: number[] }>> {
   try {
     const response = await apiFetch(
-      `/competition/${competitionId}/stages/${stageId}/generate-fixtures`,
+      `/competitions/${competitionId}/stages/${stageId}/generate-fixtures`,
       {
         method: 'POST',
         headers: { 'Content-Type': 'application/json' },
@@ -619,7 +619,7 @@ export async function generateFixtures(
 }
 
 /**
- * GET /competition/{competition_id}/stages/{stage_id}/fixtures
+ * GET /competitions/{competition_id}/stages/{stage_id}/fixtures
  * List fixtures for a stage
  */
 export async function listFixtures(
@@ -633,7 +633,7 @@ export async function listFixtures(
     if (filters?.round_index !== undefined) params.set('round_index', String(filters.round_index));
 
     const queryString = params.toString();
-    const endpoint = `/competition/${competitionId}/stages/${stageId}/fixtures${queryString ? `?${queryString}` : ''}`;
+    const endpoint = `/competitions/${competitionId}/stages/${stageId}/fixtures${queryString ? `?${queryString}` : ''}`;
 
     const response = await apiFetch(endpoint, {
       method: 'GET',
@@ -651,14 +651,14 @@ export async function listFixtures(
 }
 
 /**
- * GET /competition/matches/{match_id}
+ * GET /competitions/matches/{match_id}
  * Get a single match
  */
 export async function getMatch(
   matchId: number
 ): Promise<CompetitionApiResult<CompetitionMatch>> {
   try {
-    const response = await apiFetch(`/competition/matches/${matchId}`, {
+    const response = await apiFetch(`/competitions/matches/${matchId}`, {
       method: 'GET',
       headers: { 'Content-Type': 'application/json' },
     });
@@ -674,7 +674,7 @@ export async function getMatch(
 }
 
 /**
- * POST /competition/matches/{match_id}/link-slot
+ * POST /competitions/matches/{match_id}/link-slot
  * Link a match to a slot instance
  */
 export async function linkMatchToSlot(
@@ -682,7 +682,7 @@ export async function linkMatchToSlot(
   request: LinkSlotRequest
 ): Promise<CompetitionApiResult<void>> {
   try {
-    const response = await apiFetch(`/competition/matches/${matchId}/link-slot`, {
+    const response = await apiFetch(`/competitions/matches/${matchId}/link-slot`, {
       method: 'POST',
       headers: { 'Content-Type': 'application/json' },
       body: JSON.stringify(request),
@@ -695,14 +695,14 @@ export async function linkMatchToSlot(
 }
 
 /**
- * POST /competition/matches/{match_id}/unlink-slot
+ * POST /competitions/matches/{match_id}/unlink-slot
  * Unlink a match from its slot instance
  */
 export async function unlinkMatchFromSlot(
   matchId: number
 ): Promise<CompetitionApiResult<void>> {
   try {
-    const response = await apiFetch(`/competition/matches/${matchId}/unlink-slot`, {
+    const response = await apiFetch(`/competitions/matches/${matchId}/unlink-slot`, {
       method: 'POST',
       headers: { 'Content-Type': 'application/json' },
     });
@@ -714,7 +714,7 @@ export async function unlinkMatchFromSlot(
 }
 
 /**
- * POST /competition/matches/{match_id}/set-winner
+ * POST /competitions/matches/{match_id}/set-winner
  * Manually set match winner
  */
 export async function setMatchWinner(
@@ -722,7 +722,7 @@ export async function setMatchWinner(
   request: SetWinnerRequest
 ): Promise<CompetitionApiResult<void>> {
   try {
-    const response = await apiFetch(`/competition/matches/${matchId}/set-winner`, {
+    const response = await apiFetch(`/competitions/matches/${matchId}/set-winner`, {
       method: 'POST',
       headers: { 'Content-Type': 'application/json' },
       body: JSON.stringify(request),
@@ -735,14 +735,14 @@ export async function setMatchWinner(
 }
 
 /**
- * POST /competition/matches/{match_id}/void
+ * POST /competitions/matches/{match_id}/void
  * Void a match
  */
 export async function voidMatch(
   matchId: number
 ): Promise<CompetitionApiResult<void>> {
   try {
-    const response = await apiFetch(`/competition/matches/${matchId}/void`, {
+    const response = await apiFetch(`/competitions/matches/${matchId}/void`, {
       method: 'POST',
       headers: { 'Content-Type': 'application/json' },
     });
@@ -758,7 +758,7 @@ export async function voidMatch(
 // ============================================================================
 
 /**
- * GET /competition/{competition_id}/stages/{stage_id}/standings
+ * GET /competitions/{competition_id}/stages/{stage_id}/standings
  * Get standings for a stage
  */
 export async function getStandings(
@@ -771,7 +771,7 @@ export async function getStandings(
     if (filters?.group_id !== undefined) params.set('group_id', String(filters.group_id));
 
     const queryString = params.toString();
-    const endpoint = `/competition/${competitionId}/stages/${stageId}/standings${queryString ? `?${queryString}` : ''}`;
+    const endpoint = `/competitions/${competitionId}/stages/${stageId}/standings${queryString ? `?${queryString}` : ''}`;
 
     const response = await apiFetch(endpoint, {
       method: 'GET',
@@ -789,7 +789,7 @@ export async function getStandings(
 }
 
 /**
- * POST /competition/{competition_id}/stages/{stage_id}/standings/recalculate
+ * POST /competitions/{competition_id}/stages/{stage_id}/standings/recalculate
  * Recalculate standings
  */
 export async function recalculateStandings(
@@ -799,7 +799,7 @@ export async function recalculateStandings(
 ): Promise<CompetitionApiResult<{ participant_count: number }>> {
   try {
     const response = await apiFetch(
-      `/competition/${competitionId}/stages/${stageId}/standings/recalculate`,
+      `/competitions/${competitionId}/stages/${stageId}/standings/recalculate`,
       {
         method: 'POST',
         headers: { 'Content-Type': 'application/json' },
@@ -818,7 +818,7 @@ export async function recalculateStandings(
 // ============================================================================
 
 /**
- * GET /competition/{competition_id}/stages/{stage_id}/leaderboard
+ * GET /competitions/{competition_id}/stages/{stage_id}/leaderboard
  * Get leaderboard for a challenge stage
  */
 export async function getLeaderboard(
@@ -833,7 +833,7 @@ export async function getLeaderboard(
     if (offset !== 0) params.set('offset', String(offset));
 
     const queryString = params.toString();
-    const endpoint = `/competition/${competitionId}/stages/${stageId}/leaderboard${queryString ? `?${queryString}` : ''}`;
+    const endpoint = `/competitions/${competitionId}/stages/${stageId}/leaderboard${queryString ? `?${queryString}` : ''}`;
 
     const response = await apiFetch(endpoint, {
       method: 'GET',
@@ -847,7 +847,7 @@ export async function getLeaderboard(
 }
 
 /**
- * POST /competition/{competition_id}/stages/{stage_id}/leaderboard/recalculate
+ * POST /competitions/{competition_id}/stages/{stage_id}/leaderboard/recalculate
  * Recalculate leaderboard
  */
 export async function recalculateLeaderboard(
@@ -856,7 +856,7 @@ export async function recalculateLeaderboard(
 ): Promise<CompetitionApiResult<{ entry_count: number }>> {
   try {
     const response = await apiFetch(
-      `/competition/${competitionId}/stages/${stageId}/leaderboard/recalculate`,
+      `/competitions/${competitionId}/stages/${stageId}/leaderboard/recalculate`,
       {
         method: 'POST',
         headers: { 'Content-Type': 'application/json' },