diff --git a/config/schema.ts b/config/schema.ts
deleted file mode 100644
index 242f84fb..00000000
--- a/config/schema.ts
+++ /dev/null
@@ -1,114 +0,0 @@
-/**
- * Canonical Zod schemas for Ditto configuration.
- *
- * This file is deliberately free of path-alias (`@/`) imports so it can be
- * consumed from both the Vite config (Node / esbuild context) and from
- * runtime application code via `src/lib/schemas.ts`.
- *
- * These are the "strict" versions of each schema. Legacy/compat wrappers
- * (for old localStorage formats, encrypted settings, etc.) are layered on
- * top in `src/lib/schemas.ts`.
- */
-import { z } from 'zod';
-
-// ─── Primitives ───────────────────────────────────────────────────────
-
-/** HSL value string like "258 70% 55%" */
-export const HslValue = z.string().regex(/^\d/);
-
-export const CoreThemeColorsSchema = z.object({
-  background: HslValue,
-  text: HslValue,
-  primary: HslValue,
-});
-
-export const ThemeFontSchema = z.object({
-  family: z.string(),
-  url: z.string().optional(),
-});
-
-export const ThemeBackgroundSchema = z.object({
-  url: z.string(),
-  mode: z.enum(['cover', 'tile']).optional(),
-  dimensions: z.string().optional(),
-  mimeType: z.string().optional(),
-  blurhash: z.string().optional(),
-});
-
-export const ThemeConfigSchema = z.object({
-  title: z.string().optional(),
-  colors: CoreThemeColorsSchema,
-  font: ThemeFontSchema.optional(),
-  background: ThemeBackgroundSchema.optional(),
-});
-
-export const ThemesConfigSchema = z.object({
-  light: ThemeConfigSchema,
-  dark: ThemeConfigSchema,
-});
-
-export const ThemeSchema = z.enum(['dark', 'light', 'system', 'custom']);
-export const ContentWarningPolicySchema = z.enum(['blur', 'hide', 'show']);
-
-export const RelayMetadataSchema = z.object({
-  relays: z.array(z.object({
-    url: z.string().url(),
-    read: z.boolean(),
-    write: z.boolean(),
-  })),
-  updatedAt: z.number(),
-});
-
-export const FeedSettingsSchema = z.object({
-  feedIncludePosts: z.boolean().optional(),
-  feedIncludeReposts: z.boolean().optional(),
-  feedIncludeArticles: z.boolean().optional(),
-  showArticles: z.boolean().optional(),
-  showVines: z.boolean().optional(),
-  showPolls: z.boolean().optional(),
-  showTreasures: z.boolean().optional(),
-  showTreasureGeocaches: z.boolean().optional(),
-  showTreasureFoundLogs: z.boolean().optional(),
-  showColors: z.boolean().optional(),
-  showPacks: z.boolean().optional(),
-  showStreams: z.boolean().optional(),
-  feedIncludeVines: z.boolean().optional(),
-  feedIncludePolls: z.boolean().optional(),
-  feedIncludeTreasureGeocaches: z.boolean().optional(),
-  feedIncludeTreasureFoundLogs: z.boolean().optional(),
-  feedIncludeColors: z.boolean().optional(),
-  feedIncludePacks: z.boolean().optional(),
-  feedIncludeStreams: z.boolean().optional(),
-  showDecks: z.boolean().optional(),
-  feedIncludeDecks: z.boolean().optional(),
-  showProfileThemes: z.boolean().optional(),
-  feedIncludeProfileThemes: z.boolean().optional(),
-  showCustomProfileThemes: z.boolean().optional(),
-}).passthrough();
-
-// ─── DittoConfigSchema (build-time ditto.json) ───────────────────────
-
-/**
- * Schema for the build-time `ditto.json` configuration file.
- * All fields are optional — only the values provided will override
- * the hardcoded defaults at build time.
- */
-export const DittoConfigSchema = z.object({
-  theme: ThemeSchema.optional(),
-  customTheme: ThemeConfigSchema.optional(),
-  themes: ThemesConfigSchema.optional(),
-  relayMetadata: RelayMetadataSchema.optional(),
-  useAppRelays: z.boolean().optional(),
-  feedSettings: FeedSettingsSchema.optional(),
-  sidebarOrder: z.array(z.string()).optional(),
-  nip85StatsPubkey: z.string().optional(),
-  blossomServers: z.array(z.string().url()).optional(),
-  defaultZapComment: z.string().optional(),
-  faviconUrl: z.string().optional(),
-  linkPreviewUrl: z.string().optional(),
-  corsProxy: z.string().optional(),
-  contentWarningPolicy: ContentWarningPolicySchema.optional(),
-}).strict();
-
-/** Inferred type for the build-time configuration. */
-export type DittoConfig = z.infer<typeof DittoConfigSchema>;
diff --git a/src/lib/schemas.ts b/src/lib/schemas.ts
index ff939b2e..e04f0fb2 100644
--- a/src/lib/schemas.ts
+++ b/src/lib/schemas.ts
@@ -3,30 +3,7 @@ import { z } from 'zod';
 import type { Theme, ContentWarningPolicy } from '@/contexts/AppContext';
 import type { CoreThemeColors, ThemeConfig, ThemesConfig } from '@/themes';
 
-// Re-export canonical schemas from the shared config module so existing
-// consumers (`AppProvider`, `useEncryptedSettings`, etc.) keep working
-// without changing their import paths.
-export {
-  CoreThemeColorsSchema,
-  ThemeFontSchema,
-  ThemeBackgroundSchema,
-  ThemeConfigSchema,
-  ThemesConfigSchema,
-  ContentWarningPolicySchema,
-  RelayMetadataSchema,
-  FeedSettingsSchema,
-} from '../../config/schema';
-
-import {
-  CoreThemeColorsSchema,
-  ThemeConfigSchema,
-  ThemesConfigSchema,
-  ContentWarningPolicySchema,
-  RelayMetadataSchema,
-  FeedSettingsSchema,
-} from '../../config/schema';
-
-// ─── Type-constrained re-exports ─────────────────────────────────────
+// ─── Theme Schemas ───────────────────────────────────────────────────
 
 /** Zod schema for Theme validation */
 export const ThemeSchema = z.enum(['dark', 'light', 'system', 'custom']) satisfies z.ZodType<Theme>;
@@ -37,7 +14,15 @@ export const ThemeSchema = z.enum(['dark', 'light', 'system', 'custom']) satisfi
  */
 export const ThemeSchemaCompat = z.enum(['dark', 'light', 'system', 'custom', 'black', 'pink']);
 
-// ─── Legacy / Compat Schemas ─────────────────────────────────────────
+/** HSL value string like "258 70% 55%" */
+const HslValue = z.string().regex(/^\d/);
+
+/** Zod schema for CoreThemeColors (the 3 core colors) */
+export const CoreThemeColorsSchema = z.object({
+  background: HslValue,
+  text: HslValue,
+  primary: HslValue,
+}) satisfies z.ZodType<CoreThemeColors>;
 
 /**
  * Legacy schema that accepts the old 19-token ThemeTokens format.
@@ -45,9 +30,9 @@ export const ThemeSchemaCompat = z.enum(['dark', 'light', 'system', 'custom', 'b
  * Extracts core colors from legacy format.
  */
 export const LegacyThemeTokensSchema = z.object({
-  background: z.string().regex(/^\d/),
-  foreground: z.string().regex(/^\d/),
-  primary: z.string().regex(/^\d/),
+  background: HslValue,
+  foreground: HslValue,
+  primary: HslValue,
 }).passthrough();
 
 /**
@@ -55,10 +40,10 @@ export const LegacyThemeTokensSchema = z.object({
  * Strips the secondary field and normalizes to CoreThemeColors.
  */
 export const LegacyFourColorSchema = z.object({
-  background: z.string().regex(/^\d/),
-  text: z.string().regex(/^\d/),
-  primary: z.string().regex(/^\d/),
-  secondary: z.string().regex(/^\d/),
+  background: HslValue,
+  text: HslValue,
+  primary: HslValue,
+  secondary: HslValue,
 }).transform(({ background, text, primary }): CoreThemeColors => ({
   background,
   text,
@@ -79,6 +64,37 @@ export const ThemeColorsCompatSchema = z.union([
   })),
 ]);
 
+// ─── ThemeConfig Schemas ──────────────────────────────────────────────
+
+/** Zod schema for ThemeFont */
+export const ThemeFontSchema = z.object({
+  family: z.string(),
+  url: z.string().optional(),
+});
+
+/** Zod schema for ThemeBackground */
+export const ThemeBackgroundSchema = z.object({
+  url: z.string(),
+  mode: z.enum(['cover', 'tile']).optional(),
+  dimensions: z.string().optional(),
+  mimeType: z.string().optional(),
+  blurhash: z.string().optional(),
+});
+
+/** Zod schema for the full ThemeConfig */
+export const ThemeConfigSchema = z.object({
+  title: z.string().optional(),
+  colors: CoreThemeColorsSchema,
+  font: ThemeFontSchema.optional(),
+  background: ThemeBackgroundSchema.optional(),
+});
+
+/** Zod schema for ThemesConfig (light + dark theme configs) */
+export const ThemesConfigSchema = z.object({
+  light: z.lazy(() => ThemeConfigSchema),
+  dark: z.lazy(() => ThemeConfigSchema),
+}) satisfies z.ZodType<ThemesConfig>;
+
 /**
  * Compat schema that accepts either the new ThemeConfig format or the old
  * bare CoreThemeColors format (and all legacy color variants), normalizing
@@ -90,6 +106,54 @@ export const ThemeConfigCompatSchema = z.union([
   ThemeColorsCompatSchema.transform((colors): ThemeConfig => ({ colors })),
 ]);
 
+/** Zod schema for ContentWarningPolicy validation */
+export const ContentWarningPolicySchema = z.enum(['blur', 'hide', 'show']) satisfies z.ZodType<ContentWarningPolicy>;
+
+// ─── Feed & Relay Schemas ────────────────────────────────────────────
+
+export const RelayMetadataSchema = z.object({
+  relays: z.array(z.object({
+    url: z.string().url(),
+    read: z.boolean(),
+    write: z.boolean(),
+  })),
+  updatedAt: z.number(),
+});
+
+/**
+ * Zod schema for FeedSettings validation.
+ * All fields use .optional() so data with missing keys
+ * (from older encrypted settings) doesn't reject the whole object.
+ * Uses looseObject to preserve extra keys from newer encrypted settings.
+ * Missing fields get filled in by the defaultConfig merge downstream.
+ */
+export const FeedSettingsSchema = z.looseObject({
+  feedIncludePosts: z.boolean().optional(),
+  feedIncludeReposts: z.boolean().optional(),
+  feedIncludeArticles: z.boolean().optional(),
+  showArticles: z.boolean().optional(),
+  showVines: z.boolean().optional(),
+  showPolls: z.boolean().optional(),
+  showTreasures: z.boolean().optional(),
+  showTreasureGeocaches: z.boolean().optional(),
+  showTreasureFoundLogs: z.boolean().optional(),
+  showColors: z.boolean().optional(),
+  showPacks: z.boolean().optional(),
+  showStreams: z.boolean().optional(),
+  feedIncludeVines: z.boolean().optional(),
+  feedIncludePolls: z.boolean().optional(),
+  feedIncludeTreasureGeocaches: z.boolean().optional(),
+  feedIncludeTreasureFoundLogs: z.boolean().optional(),
+  feedIncludeColors: z.boolean().optional(),
+  feedIncludePacks: z.boolean().optional(),
+  feedIncludeStreams: z.boolean().optional(),
+  showDecks: z.boolean().optional(),
+  feedIncludeDecks: z.boolean().optional(),
+  showProfileThemes: z.boolean().optional(),
+  feedIncludeProfileThemes: z.boolean().optional(),
+  showCustomProfileThemes: z.boolean().optional(),
+});
+
 // ─── AppConfigSchema ─────────────────────────────────────────────────
 
 /**
@@ -120,6 +184,20 @@ export const AppConfigSchema = z.object({
   contentWarningPolicy: ContentWarningPolicySchema,
 });
 
+// ─── DittoConfigSchema (build-time ditto.json) ───────────────────────
+
+/**
+ * Schema for the build-time `ditto.json` configuration file.
+ * Derived from AppConfigSchema with all fields made optional and strict
+ * mode enabled so unknown keys are rejected.
+ */
+export const DittoConfigSchema = AppConfigSchema
+  .partial()
+  .strict();
+
+/** Inferred type for the build-time configuration. */
+export type DittoConfig = z.infer<typeof DittoConfigSchema>;
+
 // ─── Content Filter Schemas ──────────────────────────────────────────
 
 /** Zod schema for FilterRule validation */
diff --git a/tsconfig.json b/tsconfig.json
index f47f2461..a7596daf 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -27,5 +27,5 @@
       "@/*": ["./src/*"]
     }
   },
-  "include": ["src", "config"]
+  "include": ["src"]
 }
diff --git a/vite.config.ts b/vite.config.ts
index 25fceb8b..44d935d2 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -4,7 +4,7 @@ import path from "node:path";
 import react from "@vitejs/plugin-react-swc";
 import { defineConfig } from "vitest/config";
 
-import { DittoConfigSchema } from "./config/schema";
+import { DittoConfigSchema } from "./src/lib/schemas";
 
 /**
  * Load and validate the build-time ditto.json configuration file.