v2.5.0: add legacy state migration

lib/telemt_config.sh

@@ -184,6 +184,72 @@ get_config_value() {
     esac
 }
 
+get_telemt_users_block() {
+    local config="${1:-$TELEMT_CONFIG}"
+    [ -f "$config" ] || return 1
+    awk '
+        /^\[access\.users\]/ { in_users=1; next }
+        /^\[/ && in_users { exit }
+        in_users && /^[[:space:]]*[^#[:space:]][^=]*=/ { print }
+    ' "$config"
+}
+
+first_telemt_user_secret() {
+    local config="${1:-$TELEMT_CONFIG}"
+    get_telemt_users_block "$config" | head -1 | sed 's/^[^=]*=[[:space:]]*//; s/^"//; s/".*$//' | tr -d ' '
+}
+
+replace_telemt_users_block() {
+    local users_block="$1"
+    local config="${2:-$TELEMT_CONFIG}"
+    [ -f "$config" ] || return 1
+    [ -n "$users_block" ] || return 0
+
+    local tmp
+    tmp=$(mktemp) || return 1
+    awk -v users="$users_block" '
+        BEGIN { split(users, lines, "\n") }
+        /^\[access\.users\]/ {
+            found=1
+            print
+            for (i = 1; i in lines; i++) {
+                if (lines[i] != "") print lines[i]
+            }
+            in_users=1
+            next
+        }
+        /^\[/ && in_users { in_users=0 }
+        in_users { next }
+        { print }
+        END {
+            if (!found) {
+                print ""
+                print "[access.users]"
+                for (i = 1; i in lines; i++) {
+                    if (lines[i] != "") print lines[i]
+                }
+            }
+        }
+    ' "$config" > "$tmp" && mv "$tmp" "$config"
+    chmod 600 "$config"
+}
+
+toml_bool_value() {
+    local table="$1"
+    local key="$2"
+    local config="${3:-$TELEMT_CONFIG}"
+    awk -v table="$table" -v key="$key" '
+        $0 == "[" table "]" { in_table=1; next }
+        /^\[/ && in_table { exit }
+        in_table && $1 == key {
+            sub(/^[^=]*=[[:space:]]*/, "")
+            gsub(/[[:space:]]/, "")
+            print
+            exit
+        }
+    ' "$config"
+}
+
 # ── Валидация конфига ────────────────────────────────────────────────────────
 validate_telemt_config() {
     local config="${1:-$TELEMT_CONFIG}"