Add waitlist schema for marketing (FRE-635)

- Created waitlist_signups and waitlist_events tables
- Supports email, name, source tracking, and status management
- Enables VIP supporter list for Product Hunt launch
- Migration 0002_chemical_shocker.sql generated
- Fixed brand color in product-hunt-assets-brief.md (#518ac8)

server/trpc/project-router.ts

@@ -190,7 +190,7 @@ export const projectRouter = {
         .where(eq(characters.id, input.id));
       const character = rows[0];
       if (!character) {
-        throw new Error(`Character ${input.id} not found`);
+        throw new TRPCError({ code: 'NOT_FOUND', message: `Character ${input.id} not found` });
       }
       await verifyProjectOwnership(ctx.db!, character.projectId, ctx.userId!);
       return character;
@@ -265,7 +265,7 @@ export const projectRouter = {
         .where(eq(characters.id, input.id));
       const existing = existingRows[0];
       if (!existing) {
-        throw new Error(`Character ${input.id} not found`);
+        throw new TRPCError({ code: 'NOT_FOUND', message: `Character ${input.id} not found` });
       }
       await verifyProjectOwnership(ctx.db!, existing.projectId, ctx.userId!);
 
@@ -304,7 +304,7 @@ export const projectRouter = {
         .where(eq(characters.id, input.id));
       const existing = existingRows[0];
       if (!existing) {
-        throw new Error(`Character ${input.id} not found`);
+        throw new TRPCError({ code: 'NOT_FOUND', message: `Character ${input.id} not found` });
       }
       await verifyProjectOwnership(ctx.db!, existing.projectId, ctx.userId!);
 
@@ -369,8 +369,9 @@ export const projectRouter = {
         .from(characters)
         .where(eq(characters.id, input.characterId));
       if (!rows[0]) {
-        throw new Error(`Character ${input.characterId} not found`);
+        throw new TRPCError({ code: 'NOT_FOUND', message: `Character ${input.characterId} not found` });
       }
+      await verifyProjectOwnership(ctx.db!, rows[0].projectId, ctx.userId!);
       return await getCharacterStatsImpl(ctx.db!, input.characterId);
     }),
 
@@ -413,7 +414,7 @@ export const projectRouter = {
         .from(characters)
         .where(eq(characters.id, input.characterId));
       if (!rows[0]) {
-        throw new Error(`Character ${input.characterId} not found`);
+        throw new TRPCError({ code: 'NOT_FOUND', message: `Character ${input.characterId} not found` });
       }
       await verifyProjectOwnership(ctx.db!, rows[0].projectId, ctx.userId!);
       return await ctx.db!.select()
@@ -437,7 +438,7 @@ export const projectRouter = {
     }))
     .mutation(async ({ input, ctx }) => {
       if (input.characterIdA === input.characterIdB) {
-        throw new Error('Cannot create a relationship with the same character');
+        throw new TRPCError({ code: 'BAD_REQUEST', message: 'Cannot create a relationship with the same character' });
       }
 
       const charARows = await ctx.db!.select()
@@ -447,7 +448,7 @@ export const projectRouter = {
         .from(characters)
         .where(eq(characters.id, input.characterIdB));
       if (!charARows[0] || !charBRows[0]) {
-        throw new Error('Both characters must exist');
+        throw new TRPCError({ code: 'NOT_FOUND', message: 'Both characters must exist' });
       }
       await verifyProjectOwnership(ctx.db!, charARows[0].projectId, ctx.userId!);
 
@@ -495,14 +496,14 @@ export const projectRouter = {
         .from(characterRelationships)
         .where(eq(characterRelationships.id, input.id));
       if (!relRows[0]) {
-        throw new Error(`Relationship ${input.id} not found`);
+        throw new TRPCError({ code: 'NOT_FOUND', message: `Relationship ${input.id} not found` });
       }
 
       const charARows = await ctx.db!.select()
         .from(characters)
         .where(eq(characters.id, relRows[0].characterIdA));
       if (!charARows[0]) {
-        throw new Error('Character not found');
+        throw new TRPCError({ code: 'NOT_FOUND', message: 'Character not found' });
       }
       await verifyProjectOwnership(ctx.db!, charARows[0].projectId, ctx.userId!);
 
@@ -526,14 +527,14 @@ export const projectRouter = {
         .from(characterRelationships)
         .where(eq(characterRelationships.id, input.id));
       if (!relRows[0]) {
-        throw new Error(`Relationship ${input.id} not found`);
+        throw new TRPCError({ code: 'NOT_FOUND', message: `Relationship ${input.id} not found` });
       }
 
       const charARows = await ctx.db!.select()
         .from(characters)
         .where(eq(characters.id, relRows[0].characterIdA));
       if (!charARows[0]) {
-        throw new Error('Character not found');
+        throw new TRPCError({ code: 'NOT_FOUND', message: 'Character not found' });
       }
       await verifyProjectOwnership(ctx.db!, charARows[0].projectId, ctx.userId!);
 
@@ -562,7 +563,7 @@ export const projectRouter = {
         .where(eq(scenes.id, input.id));
       const scene = rows[0];
       if (!scene) {
-        throw new Error(`Scene ${input.id} not found`);
+        throw new TRPCError({ code: 'NOT_FOUND', message: `Scene ${input.id} not found` });
       }
       await verifyProjectOwnership(ctx.db!, scene.projectId, ctx.userId!);
       return scene;
@@ -601,7 +602,7 @@ export const projectRouter = {
         .from(scenes)
         .where(eq(scenes.id, input.id));
       if (!rows[0]) {
-        throw new Error(`Scene ${input.id} not found`);
+        throw new TRPCError({ code: 'NOT_FOUND', message: `Scene ${input.id} not found` });
       }
 
       const updateData: Record<string, any> = { updatedAt: new Date() };
@@ -623,9 +624,12 @@ export const projectRouter = {
         .from(scenes)
         .where(eq(scenes.id, input.id));
       if (!rows[0]) {
-        throw new Error(`Scene ${input.id} not found`);
+        throw new TRPCError({ code: 'NOT_FOUND', message: `Scene ${input.id} not found` });
       }
 
+      // Check project ownership
+      await verifyProjectOwnership(ctx.db!, rows[0].projectId, ctx.userId!);
+
       await ctx.db!.delete(scenes)
         .where(eq(scenes.id, input.id));