lint: remove unused code from platform/arcgis.go, platform/text, rmo

- Remove 7 unused functions from platform/arcgis.go (generateCodeChallenge,
  generateCodeVerifier, newTimestampedFilename, logResponseHeaders, saveResponse,
  saveOrUpdateDBRecords, rowmapViaQuery) plus orphaned stubs
- Delete platform/text/db.go (entirely unused)
- Remove insertTextLog from platform/text/send.go
- Delete rmo/image.go, rmo/mailer.go, rmo/scss.go, rmo/district.go, rmo/water.go

platform/text/db.go

@@ -1,55 +0,0 @@
-package text
-
-import (
-	"crypto/sha256"
-	"database/sql"
-	"encoding/hex"
-	"fmt"
-	"sort"
-	"strings"
-
-	"github.com/Gleipnir-Technology/bob/types/pgtypes"
-	"github.com/Gleipnir-Technology/nidus-sync/db/enums"
-)
-
-func convertToPGData(data map[string]string) pgtypes.HStore {
-	result := pgtypes.HStore{}
-	for k, v := range data {
-		result[k] = sql.Null[string]{V: v, Valid: true}
-	}
-	return result
-}
-
-func generatePublicId(t enums.CommsMessagetypeemail, m map[string]string) string {
-	if m == nil || len(m) == 0 {
-		// Return hash of empty string for empty maps
-		emptyHash := sha256.Sum256([]byte(""))
-		return hex.EncodeToString(emptyHash[:])
-	}
-
-	// Get and sort keys for deterministic ordering
-	keys := make([]string, 0, len(m))
-	for k := range m {
-		keys = append(keys, k)
-	}
-	sort.Strings(keys)
-
-	// Build a string with all key-value pairs
-	var sb strings.Builder
-	// Add type first
-	sb.WriteString(fmt.Sprintf("type:%s,", t))
-	for _, k := range keys {
-		sb.WriteString(k)
-		sb.WriteString(":") // Separator between key and value
-		sb.WriteString(m[k])
-		sb.WriteString(",") // Separator between pairs
-	}
-
-	// Compute SHA-256 hash
-	hasher := sha256.New()
-	hasher.Write([]byte(sb.String()))
-	hashBytes := hasher.Sum(nil)
-
-	// Convert to hex string and return
-	return hex.EncodeToString(hashBytes)
-}

platform/text/send.go

@@ -33,22 +33,6 @@ func ensureInitialText(ctx context.Context, txn bob.Executor, dst types.E164) er
 	}
 	return sendInitialText(ctx, txn, dst)
 }
-func insertTextLog(ctx context.Context, txn bob.Executor, destination types.E164, source types.E164, origin enums.CommsTextorigin, content string, is_welcome bool, is_visible_to_llm bool) (l *models.CommsTextLog, err error) {
-	l, err = models.CommsTextLogs.Insert(&models.CommsTextLogSetter{
-		//ID:
-		Content:        omit.From(content),
-		Created:        omit.From(time.Now()),
-		Destination:    omit.From(destination.PhoneString()),
-		IsVisibleToLLM: omit.From(is_visible_to_llm),
-		IsWelcome:      omit.From(is_welcome),
-		Origin:         omit.From(origin),
-		Source:         omit.From(source.PhoneString()),
-		TwilioSid:      omitnull.FromPtr[string](nil),
-		TwilioStatus:   omit.From(""),
-	}).One(ctx, txn)
-
-	return l, err
-}
 func resendInitialText(ctx context.Context, txn bob.Executor, dst types.E164) error {
 	phone, err := models.FindCommsPhone(ctx, txn, dst.PhoneString())
 	if err != nil {