Initial commit: DreamDict HTTP dictionary service

Go-based dictionary backend providing word validation, definitions, synonyms,
and cross-language translation for English, French, and Portuguese. Designed
as a self-hosted replacement for Wordnik, backing GogoBee.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

internal/loader/hunspell.go

@@ -0,0 +1,78 @@
+package loader
+
+import (
+	"bufio"
+	"database/sql"
+	"fmt"
+	"log/slog"
+	"os"
+	"strings"
+)
+
+type HunspellLoader struct {
+	Lang     string // "fr" or "pt-PT"
+	FileName string // e.g. "fr_FR/fr.dic" or "pt_PT/pt_PT.dic"
+}
+
+func (h HunspellLoader) Name() string { return "hunspell-" + h.Lang }
+
+func (h HunspellLoader) Load(db *sql.DB, dataDir string) error {
+	path := dataDir + "/" + h.FileName
+	return loadHunspell(db, path, h.Lang)
+}
+
+func loadHunspell(db *sql.DB, path, lang string) error {
+	f, err := os.Open(path)
+	if err != nil {
+		return fmt.Errorf("hunspell: open %s: %w", path, err)
+	}
+	defer f.Close()
+
+	tx, err := db.Begin()
+	if err != nil {
+		return fmt.Errorf("hunspell: begin tx: %w", err)
+	}
+	defer tx.Rollback()
+
+	stmt, err := tx.Prepare("INSERT OR IGNORE INTO words (word, lang) VALUES (?, ?)")
+	if err != nil {
+		return fmt.Errorf("hunspell: prepare: %w", err)
+	}
+	defer stmt.Close()
+
+	scanner := bufio.NewScanner(f)
+
+	// Skip first line (word count)
+	if scanner.Scan() {
+		// discard
+	}
+
+	var count int
+	for scanner.Scan() {
+		line := strings.TrimSpace(scanner.Text())
+		if line == "" {
+			continue
+		}
+		// Split on "/" to get base word
+		word := strings.SplitN(line, "/", 2)[0]
+		word = strings.ToLower(word)
+
+		if containsDigit(word) || containsSpace(word) || containsNonLatin(word) {
+			continue
+		}
+
+		if _, err := stmt.Exec(word, lang); err != nil {
+			return fmt.Errorf("hunspell: insert: %w", err)
+		}
+		count++
+	}
+	if err := scanner.Err(); err != nil {
+		return fmt.Errorf("hunspell: scan: %w", err)
+	}
+
+	if err := tx.Commit(); err != nil {
+		return fmt.Errorf("hunspell: commit: %w", err)
+	}
+	slog.Info("hunspell loaded", "lang", lang, "words", count)
+	return nil
+}