Add country mapping support for imports and geographic map

- Add normalizeCountryToCode utility to convert country names to ISO-2 codes
- Support English, French and common alternate spellings
- Update Typeform import to support country field mapping
- Update Notion import to support country field mapping
- Allow project.update to set/update country with automatic normalization
- Fix geographic distribution map showing empty when country data exists

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/server/routers/notion-import.ts

@@ -7,6 +7,7 @@ import {
   getNotionDatabaseSchema,
   queryNotionDatabase,
 } from '@/lib/notion'
+import { normalizeCountryToCode } from '@/lib/countries'
 
 export const notionImportRouter = router({
   /**
@@ -91,6 +92,7 @@ export const notionImportRouter = router({
           teamName: z.string().optional(),
           description: z.string().optional(),
           tags: z.string().optional(), // Multi-select property
+          country: z.string().optional(), // Country name or ISO code
         }),
         // Store unmapped columns in metadataJson
         includeUnmappedInMetadata: z.boolean().default(true),
@@ -148,6 +150,15 @@ export const notionImportRouter = router({
             }
           }
 
+          // Get country and normalize to ISO code
+          let country: string | null = null
+          if (input.mappings.country) {
+            const countryValue = getPropertyValue(record.properties, input.mappings.country)
+            if (typeof countryValue === 'string') {
+              country = normalizeCountryToCode(countryValue)
+            }
+          }
+
           // Build metadata from unmapped columns
           let metadataJson: Record<string, unknown> | null = null
           if (input.includeUnmappedInMetadata) {
@@ -156,6 +167,7 @@ export const notionImportRouter = router({
               input.mappings.teamName,
               input.mappings.description,
               input.mappings.tags,
+              input.mappings.country,
             ].filter(Boolean))
 
             metadataJson = {}
@@ -179,6 +191,7 @@ export const notionImportRouter = router({
               teamName: typeof teamName === 'string' ? teamName.trim() : null,
               description: typeof description === 'string' ? description : null,
               tags,
+              country,
               metadataJson: metadataJson as Prisma.InputJsonValue ?? undefined,
               externalIdsJson: {
                 notionPageId: record.id,