More fixes to pty reading.

src/fenrirscreenreader/commands/onScreenUpdate/65000-progress_detector.py

@@ -36,6 +36,7 @@ class command:
                 # screen changes
                 elif (
                     self.env["screen"]["new_delta"]
+                    and not self.env["screen"].get("new_delta_is_typing", False)
                     and self.is_real_progress_update()
                 ):
                     self.detect_progress(self.env["screen"]["new_delta"])

src/fenrirscreenreader/commands/onScreenUpdate/70000-incoming.py

@@ -185,6 +185,8 @@ class command:
         # is there something to read?
         if not self.env["runtime"]["ScreenManager"].is_delta(ignoreSpace=True):
             return
+        if self.env["screen"].get("new_delta_is_typing", False):
+            return
 
         delta_text = self.env["screen"]["new_delta"]
 

src/fenrirscreenreader/core/screenData.py

@@ -23,6 +23,7 @@ screen_data = {
     "oldApplication": "",
     "oldTTY": None,
     "new_delta": "",
+    "new_delta_is_typing": False,
     "newNegativeDelta": "",
     "newAttribDelta": "",
     "newCursorReview": None,

src/fenrirscreenreader/core/screenManager.py

@@ -194,6 +194,7 @@ class ScreenManager:
         # initialize current deltas
         self.env["screen"]["newNegativeDelta"] = ""
         self.env["screen"]["new_delta"] = ""
+        self.env["screen"]["new_delta_is_typing"] = False
         self.env["runtime"]["AttributeManager"].reset_attribute_delta()
 
         # Diff generation - critical for screen reader functionality
@@ -397,6 +398,7 @@ class ScreenManager:
                     self.env["screen"]["new_delta"] = "".join(
                         x[2:] for x in diff_list if x[0] == "+"
                     )
+                self.env["screen"]["new_delta_is_typing"] = typing
 
                 # Negative delta (removed content) - used for backspace/delete
                 # detection

src/fenrirscreenreader/screenDriver/ptyDriver.py

@@ -207,23 +207,27 @@ class driver(screenDriver):
         try:
             settings_manager = self.env["runtime"]["SettingsManager"]
             
-            # Load timeout settings with defaults
             self.pty_config = {
-                'input_timeout': float(settings_manager.get_setting(
-                    'screen', 'ptyInputTimeout', PTYConstants.INPUT_READ_TIMEOUT
-                )),
-                'output_timeout': float(settings_manager.get_setting(
-                    'screen', 'ptyOutputTimeout', PTYConstants.OUTPUT_READ_TIMEOUT
-                )),
-                'select_timeout': float(settings_manager.get_setting(
-                    'screen', 'ptySelectTimeout', PTYConstants.SELECT_TIMEOUT  
-                )),
-                'process_termination_timeout': float(settings_manager.get_setting(
-                    'screen', 'ptyProcessTimeout', PTYConstants.PROCESS_TERMINATION_TIMEOUT
-                )),
-                'poll_interval': float(settings_manager.get_setting(
-                    'screen', 'ptyPollInterval', PTYConstants.MIN_POLL_INTERVAL
-                ))
+                'input_timeout': self._get_optional_float_setting(
+                    settings_manager, 'screen', 'ptyInputTimeout',
+                    PTYConstants.INPUT_READ_TIMEOUT
+                ),
+                'output_timeout': self._get_optional_float_setting(
+                    settings_manager, 'screen', 'ptyOutputTimeout',
+                    PTYConstants.OUTPUT_READ_TIMEOUT
+                ),
+                'select_timeout': self._get_optional_float_setting(
+                    settings_manager, 'screen', 'ptySelectTimeout',
+                    PTYConstants.SELECT_TIMEOUT
+                ),
+                'process_termination_timeout': self._get_optional_float_setting(
+                    settings_manager, 'screen', 'ptyProcessTimeout',
+                    PTYConstants.PROCESS_TERMINATION_TIMEOUT
+                ),
+                'poll_interval': self._get_optional_float_setting(
+                    settings_manager, 'screen', 'ptyPollInterval',
+                    PTYConstants.MIN_POLL_INTERVAL
+                )
             }
             
             self.env["runtime"]["DebugManager"].write_debug_out(
@@ -245,6 +249,17 @@ class driver(screenDriver):
                 'poll_interval': PTYConstants.MIN_POLL_INTERVAL
             }
 
+    def _get_optional_float_setting(
+        self, settings_manager, section, setting, default
+    ):
+        try:
+            value = settings_manager.get_setting(section, setting)
+            if value == "":
+                return default
+            return float(value)
+        except Exception:
+            return default
+
     def initialize(self, environment):
         self.env = environment
         self.command = self.env["runtime"]["SettingsManager"].get_setting(