build: untrack generated src/gitversion.h.in

The file is gitignored and regenerated by the build recipe from .git/HEAD/.git/index; it was committed by mistake during the upstream sync. Untrack it so builds no longer dirty the working tree. The version string behaviour is unchanged.
2026-06-23 13:55:23 +03:00
35 changed files with 116 additions and 643 deletions
--- a/configure.ac
+++ b/configure.ac
@@ -71,10 +71,6 @@ AC_ARG_ENABLE([omemo-qrcode],
    [AS_HELP_STRING([--enable-omemo-qrcode], [enable ability to display omemo qr code])])
 AC_ARG_ENABLE([coverage],
    [AS_HELP_STRING([--enable-coverage], [enable code coverage analysis])])
-AC_ARG_ENABLE([sanitizers],
-    [AS_HELP_STRING([--enable-sanitizers], [enable AddressSanitizer + UndefinedBehaviorSanitizer + unsigned-integer-overflow])])
-AC_ARG_ENABLE([hardening],
-    [AS_HELP_STRING([--enable-hardening], [enable extra hardening warnings (e.g. -Wnull-dereference) that may produce false positives under -O2])])

 m4_include([m4/ax_valgrind_check.m4])
 AX_VALGRIND_DFLT([drd], [off])
@@ -399,7 +395,7 @@ AC_SUBST([FORKPTY_LIB])

 ## Default parameters
 AM_CFLAGS="$AM_CFLAGS -Wall -Wextra -Wformat=2 -Wno-format-zero-length"
-AM_CFLAGS="$AM_CFLAGS -Wno-deprecated-declarations -Wno-unused-parameter -Wno-missing-field-initializers -Wno-cast-function-type"
+AM_CFLAGS="$AM_CFLAGS -Wno-deprecated-declarations -Wno-unused-parameter -Wno-missing-field-initializers -Wno-sign-compare -Wno-cast-function-type"
 AM_CFLAGS="$AM_CFLAGS -Wpointer-arith"
 AM_CFLAGS="$AM_CFLAGS -Wimplicit-function-declaration"
 AM_CFLAGS="$AM_CFLAGS -Wundef"
@@ -410,8 +406,7 @@ AM_CFLAGS="$AM_CFLAGS -std=gnu99 -ggdb3"
 # GCC-specific warnings (not supported by clang) — test each one
 saved_CFLAGS="$CFLAGS"
 for _flag in -Wlogical-op -Wduplicated-cond -Wduplicated-branches \
-             -Wstringop-overflow -Warray-bounds=2 -Walloc-zero \
-             -Wsign-compare; do
+             -Wstringop-overflow -Warray-bounds=2 -Walloc-zero; do
    AC_MSG_CHECKING([whether $CC supports $_flag])
    CFLAGS="$saved_CFLAGS $_flag -Werror"
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()],
@@ -438,46 +433,11 @@ AS_IF([test "x$enable_coverage" = xyes],
     AM_LDFLAGS="$AM_LDFLAGS --coverage"
     AC_MSG_NOTICE([Code coverage analysis enabled])])

-AS_IF([test "x$enable_sanitizers" = xyes],
-    [SAN_FLAGS="-fsanitize=address,undefined"
-     saved_CFLAGS="$CFLAGS"
-     CFLAGS="$saved_CFLAGS -fsanitize=unsigned-integer-overflow -Werror"
-     AC_MSG_CHECKING([whether $CC supports -fsanitize=unsigned-integer-overflow])
-     AC_COMPILE_IFELSE([AC_LANG_PROGRAM()],
-         [AC_MSG_RESULT([yes]); SAN_FLAGS="$SAN_FLAGS,unsigned-integer-overflow"],
-         [AC_MSG_RESULT([no])])
-     CFLAGS="$saved_CFLAGS"
-     AM_CFLAGS="$AM_CFLAGS $SAN_FLAGS -fno-sanitize-recover=all -fno-omit-frame-pointer"
-     AM_LDFLAGS="$AM_LDFLAGS -fsanitize=address,undefined"
-     AC_MSG_NOTICE([Sanitizers enabled: $SAN_FLAGS])])
-
-AS_IF([test "x$enable_hardening" = xyes],
-    [saved_CFLAGS="$CFLAGS"
-     for _flag in -Wnull-dereference; do
-         AC_MSG_CHECKING([whether $CC supports $_flag])
-         CFLAGS="$saved_CFLAGS $_flag -Werror"
-         AC_COMPILE_IFELSE([AC_LANG_PROGRAM()],
-             [AC_MSG_RESULT([yes]); AM_CFLAGS="$AM_CFLAGS $_flag"],
-             [AC_MSG_RESULT([no])])
-     done
-     CFLAGS="$saved_CFLAGS"
-     AC_MSG_NOTICE([Extra hardening warnings enabled])])
-
-# Skip _FORTIFY_SOURCE=2 if env already set one (Pikaur/makepkg) or under coverage -O0 (FORTIFY needs -O>0).
-AS_IF([test "x$enable_coverage" != xyes],
-    [AS_CASE([" ${CPPFLAGS} ${CFLAGS} "],
-        [*_FORTIFY_SOURCE=*], [AC_MSG_NOTICE([_FORTIFY_SOURCE preset from environment, leaving as-is])],
-        [AM_CFLAGS="$AM_CFLAGS -D_FORTIFY_SOURCE=2"])])
-
 AS_IF([test "x$PACKAGE_STATUS" = xdevelopment],
    [AM_CFLAGS="$AM_CFLAGS -Wunused -Werror"])
 AS_IF([test "x$PLATFORM" = xosx],
    [AM_CFLAGS="$AM_CFLAGS -Qunused-arguments"])

-# Treat glib/gio headers as system to keep their macros out of our -W* set.
-glib_CFLAGS=$(echo "$glib_CFLAGS" | sed 's/-I/-isystem /g')
-gio_CFLAGS=$(echo "$gio_CFLAGS" | sed 's/-I/-isystem /g')
-
 AM_CFLAGS="$AM_CFLAGS $PTHREAD_CFLAGS $glib_CFLAGS $gio_CFLAGS $curl_CFLAGS ${SQLITE_CFLAGS}"
 AM_CFLAGS="$AM_CFLAGS $libnotify_CFLAGS ${GTK_CFLAGS} $python_CFLAGS"
 AM_CFLAGS="$AM_CFLAGS -DTHEMES_PATH=\"\\\"$THEMES_PATH\\\"\" -DICONS_PATH=\"\\\"$ICONS_PATH\\\"\" -DGLOBAL_PYTHON_PLUGINS_PATH=\"\\\"$GLOBAL_PYTHON_PLUGINS_PATH\\\"\" -DGLOBAL_C_PLUGINS_PATH=\"\\\"$GLOBAL_C_PLUGINS_PATH\\\"\""
--- a/src/ai/ai_client.c
+++ b/src/ai/ai_client.c
@@ -186,22 +186,6 @@ ai_json_escape(const gchar* str)
    return g_string_free(result, FALSE);
 }

-/* Keys emitted as fixed payload fields; custom settings must not duplicate them */
-static gboolean
-_is_reserved_payload_key(const gchar* key)
-{
-    return g_strcmp0(key, "model") == 0 || g_strcmp0(key, "messages") == 0 || g_strcmp0(key, "stream") == 0;
-}
-
-/* RFC 8259 scalars (number/true/false/null) may be emitted bare in a JSON payload */
-static gboolean
-_is_json_bare_token(const gchar* value)
-{
-    if (g_strcmp0(value, "true") == 0 || g_strcmp0(value, "false") == 0 || g_strcmp0(value, "null") == 0)
-        return TRUE;
-    return g_regex_match_simple("^-?(0|[1-9][0-9]*)(\\.[0-9]+)?([eE][+-]?[0-9]+)?$", value, 0, 0);
-}
-
 /**
 * Convert a 4-hex-digit sequence at @p to a 16-bit code point.
 * Returns -1 on invalid hex.
@@ -408,7 +392,6 @@ ai_provider_new(const gchar* name, const gchar* api_url)
    provider->models = NULL;
    provider->models_fresh = FALSE;
    provider->ref_count = 1;
-    pthread_mutex_init(&provider->settings_lock, NULL);
    return provider;
 }

@@ -436,7 +419,6 @@ ai_provider_unref(AIProvider* provider)
    g_free(provider->project_id);
    g_free(provider->default_model);
    g_hash_table_destroy(provider->settings);
-    pthread_mutex_destroy(&provider->settings_lock);

    GList* curr = provider->models;
    while (curr) {
@@ -747,44 +729,31 @@ ai_get_provider_default_model(const gchar* provider_name)
    return provider->default_model;
 }

-gboolean
+void
 ai_set_provider_setting(const gchar* provider_name, const gchar* setting, const gchar* value)
 {
    if (!provider_name || !setting)
-        return FALSE;
-
-    if (_is_reserved_payload_key(setting)) {
-        log_warning("Setting '%s' for provider '%s' rejected: reserved payload key", setting, provider_name);
-        return FALSE;
-    }
+        return;

    AIProvider* provider = ai_get_provider(provider_name);
    if (!provider) {
        log_warning("Provider '%s' not found for setting '%s'", provider_name, setting);
-        return FALSE;
+        return;
    }

-    /* settings is iterated by the request thread; mutate under settings_lock */
-    pthread_mutex_lock(&provider->settings_lock);
    if (!provider->settings) {
        provider->settings = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
    }

    if (value) {
        g_hash_table_insert(provider->settings, g_strdup(setting), g_strdup(value));
-    } else {
-        g_hash_table_remove(provider->settings, setting);
-    }
-    pthread_mutex_unlock(&provider->settings_lock);
-
-    if (value) {
        prefs_ai_set_setting(provider_name, setting, value);
        log_info("Setting '%s' for provider '%s' set to: %s", setting, provider_name, value);
    } else {
+        g_hash_table_remove(provider->settings, setting);
        prefs_ai_remove_setting(provider_name, setting);
        log_info("Setting '%s' removed for provider '%s'", setting, provider_name);
    }
-    return TRUE;
 }

 gchar*
@@ -797,10 +766,8 @@ ai_get_provider_setting(const gchar* provider_name, const gchar* setting)
    if (!provider || !provider->settings)
        return NULL;

-    pthread_mutex_lock(&provider->settings_lock);
-    gchar* value = g_strdup(g_hash_table_lookup(provider->settings, setting));
-    pthread_mutex_unlock(&provider->settings_lock);
-    return value;
+    gchar* value = g_hash_table_lookup(provider->settings, setting);
+    return g_strdup(value);
 }

 /* ========================================================================
@@ -1468,19 +1435,13 @@ ai_session_switch(AISession* session, const gchar* provider_name,
 * This is the thread-safe variant used by _ai_request_thread() which holds
 * the session lock while calling it.
 *
- * Custom provider settings are merged into the payload as additional JSON
- * key-value pairs alongside "model" and "messages": scalar values
- * (number/true/false/null) are emitted bare, anything else as a JSON string;
- * reserved keys (model/messages/stream) are skipped.
- *
- * @param provider The AI provider (for custom settings)
 * @param model The model identifier
 * @param history GList of AIMessage* (must be held under session lock)
 * @param prompt The new user prompt to append
 * @return Newly allocated JSON string (caller must free)
 */
 static gchar*
-_build_json_payload_from_list(AIProvider* provider, const gchar* model, GList* history, const gchar* prompt)
+_build_json_payload_from_list(const gchar* model, GList* history, const gchar* prompt)
 {
    GString* messages_json = g_string_new("");
    GList* curr = history;
@@ -1507,50 +1468,11 @@ _build_json_payload_from_list(AIProvider* provider, const gchar* model, GList* h
    g_string_append_printf(messages_json, "{\"role\":\"user\",\"content\":\"%s\"}", escaped_prompt);

    auto_gchar gchar* escaped_model = ai_json_escape(model);
-
-    /* Build custom settings JSON fragment; settings is mutated on the main
-     * thread (/ai set custom), so iterate under settings_lock */
-    GString* custom_json = g_string_new("");
-    if (provider) {
-        pthread_mutex_lock(&provider->settings_lock);
-        if (provider->settings) {
-            GHashTableIter iter;
-            gpointer key, value;
-            g_hash_table_iter_init(&iter, provider->settings);
-            while (g_hash_table_iter_next(&iter, &key, &value)) {
-                if (_is_reserved_payload_key((gchar*)key)) {
-                    continue; /* fixed payload fields stay authoritative */
-                }
-                auto_gchar gchar* escaped_key = ai_json_escape((gchar*)key);
-                if (custom_json->len > 0) {
-                    g_string_append_c(custom_json, ',');
-                }
-                if (_is_json_bare_token((gchar*)value)) {
-                    g_string_append_printf(custom_json, "\"%s\": %s", escaped_key, (gchar*)value);
-                } else {
-                    /* non-scalar values must be quoted, else the payload is invalid JSON */
-                    auto_gchar gchar* escaped_val = ai_json_escape((gchar*)value);
-                    g_string_append_printf(custom_json, "\"%s\": \"%s\"", escaped_key, escaped_val);
-                }
-            }
-        }
-        pthread_mutex_unlock(&provider->settings_lock);
-    }
-
-    /* Assemble final payload: model, messages, custom settings, then fixed keys */
-    gchar* json_payload;
-    if (custom_json->len > 0) {
-        json_payload = g_strdup_printf(
-            "{\"model\":\"%s\",\"messages\":[%s],%s,\"stream\":false}",
-            escaped_model, messages_json->str, custom_json->str);
-    } else {
-        json_payload = g_strdup_printf(
-            "{\"model\":\"%s\",\"messages\":[%s],\"stream\":false}",
-            escaped_model, messages_json->str);
-    }
+    gchar* json_payload = g_strdup_printf(
+        "{\"model\":\"%s\",\"input\":[%s],\"stream\":false,\"store\":false}",
+        escaped_model, messages_json->str);

    g_string_free(messages_json, TRUE);
-    g_string_free(custom_json, TRUE);
    return json_payload;
 }

@@ -1560,7 +1482,12 @@ ai_parse_response(const gchar* response_json)
    if (!response_json || strlen(response_json) == 0)
        return NULL;

-    /* OpenAI /v1/chat/completions: {"choices":[{"message":{"content":"..."}}]} */
+    /* Perplexity /v1/agent: {"output":[{"content":[{"text":"...","type":"output_text"}]}]}
+     * Legacy OpenAI:        {"choices":[{"message":{"content":"..."}}]} */
+    gchar* text = _extract_json_string(response_json, "text");
+    if (text)
+        return text;
+
    return _extract_json_string(response_json, "content");
 }

@@ -1639,7 +1566,7 @@ _ai_request_thread(gpointer data)
    /* Build JSON payload from history + prompt (under lock), then add user message to history */
    log_debug("[AI-THREAD] Building JSON payload...");
    pthread_mutex_lock(&session->lock);
-    auto_gchar gchar* json_payload = _build_json_payload_from_list(local_provider, local_model, session->history, prompt);
+    auto_gchar gchar* json_payload = _build_json_payload_from_list(local_model, session->history, prompt);

    /* Add user message to history now (it's in JSON but not yet in history) */
    AIMessage* user_msg = g_new0(AIMessage, 1);
@@ -1660,7 +1587,7 @@ _ai_request_thread(gpointer data)

    /* Build request URL */
    const gchar* api_url = local_provider->api_url;
-    auto_gchar gchar* request_url = g_strdup_printf("%s%sv1/chat/completions", api_url, g_str_has_suffix(api_url, "/") ? "" : "/");
+    auto_gchar gchar* request_url = g_strdup_printf("%s%sv1/responses", api_url, g_str_has_suffix(api_url, "/") ? "" : "/");
    log_debug("[AI-THREAD] API URL: %s", api_url);
    log_debug("[AI-THREAD] API Request URL: %s", request_url);
    log_debug("[AI-THREAD] Model: %s", local_model);
--- a/src/ai/ai_client.h
+++ b/src/ai/ai_client.h
@@ -21,8 +21,7 @@ typedef struct ai_provider_t
    gchar* api_url;        /* API endpoint URL */
    gchar* project_id;     /* Optional project ID (for some providers) */
    gchar* default_model;  /* Default model for this provider */
-    pthread_mutex_t settings_lock; /* Protects settings (iterated by the request thread) */
-    GHashTable* settings;  /* Extensible per-provider settings (e.g., temperature=0.7) */
+    GHashTable* settings;  /* Extensible per-provider settings (e.g., tools=enabled, search=disabled) */
    GList* models;         /* Cached models (gchar*) */
    gboolean models_fresh; /* Whether models cache is current */
    gint32 ref_count;      /* Reference count (atomic) */
@@ -143,13 +142,11 @@ const gchar* ai_get_provider_default_model(const gchar* provider_name);

 /**
 * Set a custom setting for a provider.
- * Reserved payload keys (model, messages, stream) are rejected.
 * @param provider_name The provider name
- * @param setting The setting key (e.g., "temperature")
- * @param value The setting value, or NULL to remove
- * @return TRUE on success, FALSE on unknown provider or reserved key
+ * @param setting The setting key (e.g., "tools", "search")
+ * @param value The setting value
 */
-gboolean ai_set_provider_setting(const gchar* provider_name, const gchar* setting, const gchar* value);
+void ai_set_provider_setting(const gchar* provider_name, const gchar* setting, const gchar* value);

 /**
 * Get a custom setting for a provider.
@@ -187,9 +184,9 @@ gboolean ai_models_are_fresh(const gchar* provider_name);
 void ai_parse_models_from_json(AIProvider* provider, const gchar* json);

 /**
- * Extract assistant content from an OpenAI chat-completions response body
- * ({"choices":[{"message":{"content":"..."}}]}). Decodes the \" and \n
- * escape sequences only.
+ * Extract assistant content from an LLM response body. Tries Perplexity
+ * /v1/responses "text" first, falls back to OpenAI "content". Decodes
+ * the \" and \n escape sequences only.
 * @param response_json The JSON body from the provider
 * @return Newly allocated content string, or NULL if not found (caller frees)
 */
--- a/src/command/cmd_ac.c
+++ b/src/command/cmd_ac.c
@@ -47,7 +47,6 @@ static char* _notify_autocomplete(ProfWin* window, const char* const input, gboo
 static char* _theme_autocomplete(ProfWin* window, const char* const input, gboolean previous);
 static char* _spellcheck_autocomplete(ProfWin* window, const char* const input, gboolean previous);
 static char* _autoaway_autocomplete(ProfWin* window, const char* const input, gboolean previous);
-static char* _autoping_autocomplete(ProfWin* window, const char* const input, gboolean previous);
 static char* _autoconnect_autocomplete(ProfWin* window, const char* const input, gboolean previous);
 static char* _account_autocomplete(ProfWin* window, const char* const input, gboolean previous);
 static char* _who_autocomplete(ProfWin* window, const char* const input, gboolean previous);
@@ -1057,7 +1056,6 @@ cmd_ac_init(void)

    autocomplete_add(autoping_ac, "set");
    autocomplete_add(autoping_ac, "timeout");
-    autocomplete_add(autoping_ac, "warning");

    autocomplete_add(plugins_ac, "install");
    autocomplete_add(plugins_ac, "update");
@@ -1409,7 +1407,6 @@ cmd_ac_init(void)
    g_hash_table_insert(ac_funcs, "/alias", _alias_autocomplete);
    g_hash_table_insert(ac_funcs, "/autoaway", _autoaway_autocomplete);
    g_hash_table_insert(ac_funcs, "/autoconnect", _autoconnect_autocomplete);
-    g_hash_table_insert(ac_funcs, "/autoping", _autoping_autocomplete);
    g_hash_table_insert(ac_funcs, "/avatar", _avatar_autocomplete);
    g_hash_table_insert(ac_funcs, "/ban", _ban_autocomplete);
    g_hash_table_insert(ac_funcs, "/blocked", _blocked_autocomplete);
@@ -1937,6 +1934,7 @@ _cmd_ac_complete_params(ProfWin* window, const char* const input, gboolean previ
        { "/prefs", prefs_ac },
        { "/disco", disco_ac },
        { "/room", room_ac },
+        { "/autoping", autoping_ac },
        { "/mainwin", winpos_ac },
        { "/inputwin", winpos_ac },
    };
@@ -4266,20 +4264,6 @@ _executable_autocomplete(ProfWin* window, const char* const input, gboolean prev
    return result;
 }

-static char*
-_autoping_autocomplete(ProfWin* window, const char* const input, gboolean previous)
-{
-    char* result = NULL;
-
-    result = autocomplete_param_with_ac(input, "/autoping", autoping_ac, TRUE, previous);
-    if (result) {
-        return result;
-    }
-
-    result = autocomplete_param_with_func(input, "/autoping warning", prefs_autocomplete_boolean_choice, previous, NULL);
-    return result;
-}
-
 static char*
 _lastactivity_autocomplete(ProfWin* window, const char* const input, gboolean previous)
 {
--- a/src/command/cmd_defs.c
+++ b/src/command/cmd_defs.c
@@ -1964,14 +1964,12 @@ static const struct cmd_t command_defs[] = {
              CMD_TAG_CONNECTION)
      CMD_SYN(
              "/autoping set <seconds>",
-              "/autoping timeout <seconds>",
-              "/autoping warning on|off")
+              "/autoping timeout <seconds>")
      CMD_DESC(
              "Set the interval between sending ping requests to the server to ensure the connection is kept alive.")
      CMD_ARGS(
              { "set <seconds>", "Number of seconds between sending pings, a value of 0 disables autoping." },
-              { "timeout <seconds>", "Seconds to wait for autoping responses, after which the connection is considered broken." },
-              { "warning on|off", "Enable or disable autoping availability warning." })
+              { "timeout <seconds>", "Seconds to wait for autoping responses, after which the connection is considered broken." })
    },

    { CMD_PREAMBLE("/ping",
@@ -2833,7 +2831,7 @@ static const struct cmd_t command_defs[] = {
              { "set provider <name> <url>", "Add or update a provider with custom API endpoint" },
              { "set token <provider> <token>", "Set API token for a provider (e.g., openai, perplexity)" },
              { "set default-model <provider> <model>", "Set default model for a provider" },
-              { "set custom <provider> <setting> <value>", "Set provider-level setting (e.g., temperature, max_tokens)" },
+              { "set custom <provider> <setting> <value>", "Set provider-level setting (e.g., tools, search)" },
              { "remove provider <name>", "Remove a custom provider" },
              { "providers", "List configured providers with full details" },
              { "start <provider> [<model>]", "Start new AI chat (space-separated, uses defaults if omitted)" },
@@ -2846,7 +2844,7 @@ static const struct cmd_t command_defs[] = {
              "/ai set token perplexity pplx-xxx",
              "/ai set provider custom https://my-api.com/v1/chat/completions",
              "/ai set default-model perplexity sonar",
-              "/ai set custom perplexity temperature 0.7",
+              "/ai set custom perplexity tools enabled",
              "/ai remove provider custom",
              "/ai start",
              "/ai start perplexity",
--- a/src/command/cmd_funcs.c
+++ b/src/command/cmd_funcs.c
@@ -6374,8 +6374,6 @@ cmd_autoping(ProfWin* window, const char* const command, gchar** args)
            cons_bad_cmd_usage(command);
        }

-    } else if (g_strcmp0(cmd, "warning") == 0) {
-        _cmd_set_boolean_preference(value, "Autoping availability warning", PREF_AUTOPING_WARNING);
    } else {
        cons_bad_cmd_usage(command);
    }
@@ -10065,14 +10063,8 @@ cmd_vcard_remove(ProfWin* window, const char* const command, gchar** args)
    }

    if (args[1]) {
-        int index;
-        auto_gchar gchar* err_msg = NULL;
-        if (!strtoi_range(args[1], &index, 0, INT_MAX, &err_msg)) {
-            cons_show_error("%s", err_msg);
-            return TRUE;
-        }
-        vcard_user_remove_element((unsigned int)index);
-        cons_show("Removed element at index %d", index);
+        vcard_user_remove_element(atoi(args[1]));
+        cons_show("Removed element at index %d", atoi(args[1]));
        vcardwin_update();
    } else {
        cons_bad_cmd_usage(command);
@@ -10787,11 +10779,8 @@ cmd_ai_set(ProfWin* window, const char* const command, gchar** args)
            cons_bad_cmd_usage(command);
            return TRUE;
        }
-        if (ai_set_provider_setting(args[2], args[3], args[4])) {
-            cons_show("Setting '%s' for provider '%s' set to: %s", args[3], args[2], args[4]);
-        } else {
-            cons_show_error("Cannot set '%s' for provider '%s': unknown provider or reserved key (model, messages, stream).", args[3], args[2]);
-        }
+        ai_set_provider_setting(args[2], args[3], args[4]);
+        cons_show("Setting '%s' for provider '%s' set to: %s", args[3], args[2], args[4]);
        cons_show("");
        return TRUE;
    }
--- a/src/common.c
+++ b/src/common.c
@@ -294,7 +294,7 @@ str_replace(const char* string, const char* substr,
    wr = newstr;

    while ((tok = strstr(head, substr))) {
-        size_t l = g_diff_to_gsize(tok, head);
+        size_t l = tok - head;
        memcpy(wr, head, l);
        wr += l;
        memcpy(wr, replacement, len_replacement);
@@ -309,16 +309,6 @@ str_replace(const char* string, const char* substr,
    return newstr;
 }

-gsize
-g_diff_to_gsize(const void* end, const void* start)
-{
-    if (end < start) {
-        log_error("g_diff_to_gsize: end < start (%p < %p)", end, start);
-        return 0;
-    }
-    return (gsize)((const char*)end - (const char*)start);
-}
-
 gboolean
 strtoi_range(const char* str, int* saveptr, int min, int max, gchar** err_msg)
 {
@@ -369,9 +359,9 @@ string_matches_one_of(const char* what, const char* is, gboolean is_can_be_null,
        char errmsg[256] = { 0 };
        size_t sz = 0;
        int s = snprintf(errmsg, sizeof(errmsg) - sz, "%s must be one of:", what);
-        if (s < 0 || (size_t)s + sz >= sizeof(errmsg))
+        if (s < 0 || s + sz >= sizeof(errmsg))
            return ret;
-        sz += (size_t)s;
+        sz += s;

        cur = first;
        va_start(ap, first);
@@ -385,12 +375,12 @@ string_matches_one_of(const char* what, const char* is, gboolean is_can_be_null,
                errmsg[sz] = '\0';
                s = snprintf(errmsg + sz, sizeof(errmsg) - sz, " or '%s'.", cur);
            }
-            if (s < 0 || (size_t)s + sz >= sizeof(errmsg)) {
+            if (s < 0 || s + sz >= sizeof(errmsg)) {
                log_debug("Error message too long or some other error occurred (%d).", s);
                s = -1;
                break;
            }
-            sz += (size_t)s;
+            sz += s;
            cur = next;
        }
        va_end(ap);
@@ -441,7 +431,7 @@ str_xml_sanitize(const char* const str)
        return NULL;
    }

-    GString* sanitized = g_string_new_len(NULL, (gssize)strlen(str));
+    GString* sanitized = g_string_new_len(NULL, strlen(str));
    const char* curr = str;

    while (*curr != '\0') {
@@ -700,7 +690,7 @@ get_file_paths_recursive(const char* path, GSList** contents)
 }

 gchar*
-get_random_string(size_t length)
+get_random_string(int length)
 {
    GRand* prng;
    gchar* rand;
@@ -711,7 +701,7 @@ get_random_string(size_t length)

    prng = g_rand_new();

-    for (size_t i = 0; i < length; i++) {
+    for (int i = 0; i < length; i++) {
        rand[i] = alphabet[g_rand_int_range(prng, 0, endrange)];
    }
    g_rand_free(prng);
--- a/src/common.h
+++ b/src/common.h
@@ -158,7 +158,6 @@ gboolean create_dir(const char* name);
 gboolean copy_file(const char* const src, const char* const target, const gboolean overwrite_existing);
 char* str_replace(const char* string, const char* substr, const char* replacement);
 gboolean strtoi_range(const char* str, int* saveptr, int min, int max, char** err_msg);
-gsize g_diff_to_gsize(const void* end, const void* start);
 int utf8_display_len(const char* const str);
 gchar* str_xml_sanitize(const char* const str);

@@ -179,7 +178,7 @@ int is_regular_file(const char* path);
 int is_dir(const char* path);
 void get_file_paths_recursive(const char* directory, GSList** contents);

-gchar* get_random_string(size_t length);
+gchar* get_random_string(int length);

 gboolean call_external(gchar** argv);
 gchar** format_call_external_argv(const char* template_fmt, const char* url, const char* filename);
--- a/src/config/accounts.c
+++ b/src/config/accounts.c
@@ -43,8 +43,8 @@ _sanitize_account_name(const char* const name)
    gchar* sanitized = g_strdup(name);
    gchar* p = sanitized;
    while (*p) {
-        // GKeyFile group header forbids these characters.
-        if (*p == '[' || *p == ']' || *p == '\n' || *p == '\r') {
+        // GKeyFile special characters: [ ] = # \n \r
+        if (*p == '[' || *p == ']' || *p == '=' || *p == '#' || *p == '\n' || *p == '\r') {
            *p = '_';
        }
        p++;
--- a/src/config/preferences.c
+++ b/src/config/preferences.c
@@ -2290,7 +2290,6 @@ _get_group(preference_t pref)
    case PREF_TRAY:
    case PREF_TRAY_READ:
    case PREF_ADV_NOTIFY_DISCO_OR_VERSION:
-    case PREF_AUTOPING_WARNING:
        return PREF_GROUP_NOTIFICATIONS;
    case PREF_DBLOG:
    case PREF_CHLOG:
@@ -2647,8 +2646,6 @@ _get_key(preference_t pref)
        return "enabled";
    case PREF_SPELLCHECK_LANG:
        return "lang";
-    case PREF_AUTOPING_WARNING:
-        return "autoping.warning";
    default:
        return NULL;
    }
@@ -2702,7 +2699,6 @@ _get_default_boolean(preference_t pref)
    case PREF_MOOD:
    case PREF_STROPHE_SM_ENABLED:
    case PREF_STROPHE_SM_RESEND:
-    case PREF_AUTOPING_WARNING:
        return TRUE;
    case PREF_SPELLCHECK_ENABLE:
    case PREF_PGP_PUBKEY_AUTOIMPORT:
--- a/src/config/preferences.h
+++ b/src/config/preferences.h
@@ -169,7 +169,6 @@ typedef enum {
    PREF_FORCE_ENCRYPTION_MODE,
    PREF_SPELLCHECK_ENABLE,
    PREF_SPELLCHECK_LANG,
-    PREF_AUTOPING_WARNING
 } preference_t;

 typedef struct prof_alias_t
--- a/src/database_export.c
+++ b/src/database_export.c
@@ -282,7 +282,7 @@ _export_one_contact(const char* contact)
        gchar* key = _make_dedup_key(pl->stanza_id, pl->timestamp_str, pl->from_jid, pl->message);
        g_hash_table_add(seen_keys, key);
    }
-    int existing_count = (int)g_slist_length(existing);
+    int existing_count = g_slist_length(existing);

    // 2. Query SQLite for this contact — get ALL messages via direct SQL
    GSList* sqlite_lines = db_sqlite_get_all_chat(contact);
@@ -581,7 +581,7 @@ log_database_import_from_flatfile(const gchar* const contact_jid)
        //    Wrap in a transaction for atomicity and performance
        int contact_imported = 0;
        int contact_skipped = 0;
-        int total_lines = (int)g_slist_length(ff_lines);
+        int total_lines = g_slist_length(ff_lines);

        db_sqlite_begin_transaction();
        gboolean import_ok = TRUE;
--- a/src/database_flatfile.c
+++ b/src/database_flatfile.c
@@ -88,7 +88,7 @@ _ff_cache_line_ids(ff_contact_state_t* state, const char* line)
        return;

    // Split metadata on unescaped '|'
-    auto_gchar gchar* meta_str = g_strndup(bracket + 1, g_diff_to_gsize(close, bracket + 1));
+    auto_gchar gchar* meta_str = g_strndup(bracket + 1, close - bracket - 1);
    char** parts = ff_split_meta(meta_str);

    char* stanza_id = NULL;
@@ -111,9 +111,9 @@ _ff_cache_line_ids(ff_contact_state_t* state, const char* line)
        const char* sender_start = close + 2;
        const char* colonspace = ff_find_unescaped_colonspace(sender_start);
        if (colonspace) {
-            const char* slash = memchr(sender_start, '/', g_diff_to_gsize(colonspace, sender_start));
+            const char* slash = memchr(sender_start, '/', colonspace - sender_start);
            const char* jid_end = slash ? slash : colonspace;
-            from_jid = g_strndup(sender_start, g_diff_to_gsize(jid_end, sender_start));
+            from_jid = g_strndup(sender_start, jid_end - sender_start);
        }
    }

@@ -140,7 +140,7 @@ _ff_maybe_index_line(ff_contact_state_t* state, const char* buf, off_t pos)
    if (!space)
        return;

-    auto_gchar gchar* ts_str = g_strndup(buf, g_diff_to_gsize(space, buf));
+    auto_gchar gchar* ts_str = g_strndup(buf, space - buf);
    GDateTime* dt = g_date_time_new_from_iso8601(ts_str, NULL);
    if (!dt) {
        log_warning("flatfile: unparsable timestamp in %s at offset %ld: %s",
@@ -771,7 +771,7 @@ _flatfile_get_previous_chat(const gchar* const contact_barejid, const gchar* sta

    // For "last N messages": back up from read_to using index
    if (!from_start) {
-        size_t margin_entries = (MESSAGES_TO_RETRIEVE * 3) / FF_INDEX_STEP + 2;
+        int margin_entries = (MESSAGES_TO_RETRIEVE * 3) / FF_INDEX_STEP + 2;

        // Find index entry closest to (but before) read_to
        size_t entry_idx = 0;
@@ -781,7 +781,7 @@ _flatfile_get_previous_chat(const gchar* const contact_barejid, const gchar* sta
            entry_idx = i;
        }

-        size_t start_entry = entry_idx > margin_entries
+        size_t start_entry = entry_idx > (size_t)margin_entries
                                 ? entry_idx - margin_entries
                                 : 0;
        off_t backed = state->entries[start_entry].byte_offset;
--- a/src/database_flatfile_parser.c
+++ b/src/database_flatfile_parser.c
@@ -553,7 +553,7 @@ ff_split_meta(const char* meta)
            continue;
        }
        if (*p == '|' || *p == '\0') {
-            g_ptr_array_add(arr, g_strndup(start, g_diff_to_gsize(p, start)));
+            g_ptr_array_add(arr, g_strndup(start, p - start));
            if (*p == '\0')
                break;
            start = p + 1;
@@ -710,7 +710,7 @@ ff_parse_line(const char* line)

    if (bracket_start && first_space && first_space < bracket_start) {
        // Standard format with metadata: {timestamp} [{meta}] {sender}: {msg}
-        result->timestamp_str = g_strndup(work, g_diff_to_gsize(first_space, work));
+        result->timestamp_str = g_strndup(work, first_space - work);

        // Parse metadata section [...]
        const char* bracket_end = ff_find_unescaped_char(bracket_start + 1, ']');
@@ -721,7 +721,7 @@ ff_parse_line(const char* line)
            return NULL;
        }

-        auto_gchar gchar* meta_content = g_strndup(bracket_start + 1, g_diff_to_gsize(bracket_end, bracket_start + 1));
+        auto_gchar gchar* meta_content = g_strndup(bracket_start + 1, bracket_end - bracket_start - 1);
        char** parts = ff_split_meta(meta_content);
        if (parts) {
            _ff_parse_meta_parts(parts, result);
@@ -736,12 +736,12 @@ ff_parse_line(const char* line)
        // Find first *unescaped* ': ' which separates sender from message.
        const char* colon = ff_find_unescaped_colonspace(after_meta);
        if (colon) {
-            auto_gchar gchar* raw_sender = g_strndup(after_meta, g_diff_to_gsize(colon, after_meta));
+            auto_gchar gchar* raw_sender = g_strndup(after_meta, colon - after_meta);

            // Split sender into jid/resource, then unescape resource
            char* slash = strchr(raw_sender, '/');
            if (slash) {
-                result->from_jid = g_strndup(raw_sender, g_diff_to_gsize(slash, raw_sender));
+                result->from_jid = g_strndup(raw_sender, slash - raw_sender);
                result->from_resource = ff_unescape_sender_resource(slash + 1);
            } else {
                result->from_jid = g_strdup(raw_sender);
@@ -755,7 +755,7 @@ ff_parse_line(const char* line)
        }
    } else if (first_space) {
        // Legacy/simple format without metadata: {timestamp} - {sender}: {msg}
-        result->timestamp_str = g_strndup(work, g_diff_to_gsize(first_space, work));
+        result->timestamp_str = g_strndup(work, first_space - work);
        result->type = g_strdup("chat");
        result->enc = g_strdup("none");

@@ -767,10 +767,10 @@ ff_parse_line(const char* line)

        char* colon = strstr(rest, ": ");
        if (colon) {
-            char* sender = g_strndup(rest, g_diff_to_gsize(colon, rest));
+            char* sender = g_strndup(rest, colon - rest);
            char* slash = strchr(sender, '/');
            if (slash) {
-                result->from_jid = g_strndup(sender, g_diff_to_gsize(slash, sender));
+                result->from_jid = g_strndup(sender, slash - sender);
                result->from_resource = g_strdup(slash + 1);
            } else {
                result->from_jid = g_strdup(sender);
--- a/src/omemo/omemo.c
+++ b/src/omemo/omemo.c
@@ -260,12 +260,7 @@ omemo_on_connect(ProfAccount* account)
            return;
    }

-    if (!_omemo_finalize_identity_load(account)) {
-        omemo_ctx.loaded = FALSE;
-        log_error("[OMEMO] failed to load OMEMO state from disk for %s", account->jid);
-        cons_show_error("OMEMO: could not load encryption state from disk; OMEMO will be unavailable this session.");
-        return;
-    }
+    _omemo_finalize_identity_load(account);

    wins_omemo_trust_changed(NULL);
 }
@@ -1283,12 +1278,8 @@ omemo_is_trusted_identity(const char* const jid, const char* const fingerprint)
        .device_id = GPOINTER_TO_UINT(device_id),
    };

-    size_t fingerprint_len = 0;
+    size_t fingerprint_len;
    unsigned char* fingerprint_raw = _omemo_fingerprint_decode(fingerprint, &fingerprint_len);
-    if (!fingerprint_raw) {
-        log_error("[OMEMO] omemo_is_trusted_identity: failed to decode fingerprint for %s", jid);
-        return FALSE;
-    }
    unsigned char djb_type[] = { '\x05' };
    signal_buffer* buffer = signal_buffer_create(djb_type, 1);
    buffer = signal_buffer_append(buffer, fingerprint_raw, fingerprint_len);
@@ -1472,10 +1463,6 @@ _omemo_fingerprint(ec_public_key* identity, gboolean formatted)
 static unsigned char*
 _omemo_fingerprint_decode(const char* const fingerprint, size_t* len)
 {
-    if (!fingerprint) {
-        *len = 0;
-        return NULL;
-    }
    unsigned char* output = malloc(strlen(fingerprint) / 2 + 1);
    if (!output) {
        *len = 0;
@@ -1542,11 +1529,6 @@ omemo_trust(const char* const jid, const char* const fingerprint_formatted)
    };

    unsigned char* fingerprint_raw = _omemo_fingerprint_decode(fingerprint_formatted, &len);
-    if (!fingerprint_raw) {
-        log_error("[OMEMO] omemo_trust: failed to decode fingerprint for %s", jid);
-        cons_show_error("Failed to trust device: could not decode fingerprint.");
-        return;
-    }
    unsigned char djb_type[] = { '\x05' };
    signal_buffer* buffer = signal_buffer_create(djb_type, 1);
    buffer = signal_buffer_append(buffer, fingerprint_raw, len);
@@ -1564,10 +1546,8 @@ omemo_untrust(const char* const jid, const char* const fingerprint_formatted)
 {
    size_t len;
    unsigned char* identity = _omemo_fingerprint_decode(fingerprint_formatted, &len);
-    if (!identity) {
-        log_error("[OMEMO] omemo_untrust: failed to decode fingerprint for %s", jid);
+    if (!identity)
        return;
-    }

    GHashTableIter iter;
    gpointer key, value;
--- a/src/otr/otr.c
+++ b/src/otr/otr.c
@@ -278,8 +278,7 @@ otr_on_message_recv(const char* const barejid, const char* const resource, const
                if (strstr(message, OTRL_MESSAGE_TAG_V2) && strstr(message, OTRL_MESSAGE_TAG_V1)) {
                    tag_length = 32;
                }
-                // Move the rest of the message (with NUL) over the tag.
-                memmove(whitespace_base, whitespace_base + tag_length, strlen(whitespace_base + tag_length) + 1);
+                memmove(whitespace_base, whitespace_base + tag_length, tag_length);
                char* otr_query_message = otr_start_query();
                cons_show("OTR Whitespace pattern detected. Attempting to start OTR session…");
                free(message_send_chat_otr(barejid, otr_query_message, FALSE, NULL));
--- a/src/pgp/gpg.c
+++ b/src/pgp/gpg.c
@@ -519,15 +519,13 @@ p_gpg_sign(const gchar* const str, const gchar* const fp)
 }

 gchar*
-p_gpg_encrypt(const gchar* const barejid, const gchar* const message, const gchar* const fp, gchar** err)
+p_gpg_encrypt(const gchar* const barejid, const gchar* const message, const gchar* const fp)
 {
    ProfPGPPubKeyId* pubkeyid = g_hash_table_lookup(pubkeys, barejid);
    if (!pubkeyid) {
-        *err = g_strdup("No PGP key found for recipient");
        return NULL;
    }
    if (!pubkeyid->id) {
-        *err = g_strdup("No key ID found for recipient");
        return NULL;
    }

@@ -540,7 +538,6 @@ p_gpg_encrypt(const gchar* const barejid, const gchar* const message, const gcha
    gpgme_ctx_t ctx;
    gpgme_error_t error = gpgme_new(&ctx);
    if (error) {
-        *err = g_strdup_printf("Failed to create GPGME context: %s %s", gpgme_strsource(error), gpgme_strerror(error));
        log_error("GPG: Failed to create gpgme context. %s %s", gpgme_strsource(error), gpgme_strerror(error));
        return NULL;
    }
@@ -548,7 +545,6 @@ p_gpg_encrypt(const gchar* const barejid, const gchar* const message, const gcha
    gpgme_key_t receiver_key;
    error = gpgme_get_key(ctx, pubkeyid->id, &receiver_key, 0);
    if (error || receiver_key == NULL) {
-        *err = g_strdup_printf("Failed to get receiver key '%s': %s %s", pubkeyid->id, gpgme_strsource(error), gpgme_strerror(error));
        log_error("GPG: Failed to get receiver_key. %s %s", gpgme_strsource(error), gpgme_strerror(error));
        gpgme_release(ctx);
        return NULL;
@@ -558,10 +554,8 @@ p_gpg_encrypt(const gchar* const barejid, const gchar* const message, const gcha
    gpgme_key_t sender_key = NULL;
    error = gpgme_get_key(ctx, fp, &sender_key, 0);
    if (error || sender_key == NULL) {
-        *err = g_strdup_printf("Failed to get sender key '%s': %s %s", fp, gpgme_strsource(error), gpgme_strerror(error));
        log_error("GPG: Failed to get sender_key. %s %s", gpgme_strsource(error), gpgme_strerror(error));
        gpgme_release(ctx);
-        gpgme_key_unref(receiver_key);
        return NULL;
    }
    keys[1] = sender_key;
@@ -580,8 +574,7 @@ p_gpg_encrypt(const gchar* const barejid, const gchar* const message, const gcha
    gpgme_key_unref(sender_key);

    if (error) {
-        *err = g_strdup_printf("Encryption failed: (%s) %s", gpgme_strsource(error), gpgme_strerror(error));
-        log_error("GPG: Failed to encrypt message. (%s) %s", gpgme_strsource(error), gpgme_strerror(error));
+        log_error("GPG: Failed to encrypt message. %s %s", gpgme_strsource(error), gpgme_strerror(error));
        return NULL;
    }

--- a/src/pgp/gpg.h
+++ b/src/pgp/gpg.h
@@ -42,7 +42,7 @@ gboolean p_gpg_available(const gchar* const barejid);
 const gchar* p_gpg_libver(void);
 gchar* p_gpg_sign(const gchar* const str, const gchar* const fp);
 void p_gpg_verify(const gchar* const barejid, const gchar* const sign);
-gchar* p_gpg_encrypt(const gchar* const barejid, const gchar* const message, const gchar* const fp, gchar** err);
+gchar* p_gpg_encrypt(const gchar* const barejid, const gchar* const message, const gchar* const fp);
 gchar* p_gpg_decrypt(const gchar* const cipher);
 void p_gpg_free_decrypted(gchar* decrypted);
 gchar* p_gpg_autocomplete_key(const gchar* const search_str, gboolean previous, void* context);
--- a/src/profanity.c
+++ b/src/profanity.c
@@ -138,7 +138,7 @@ prof_run(gchar* log_level, gchar* account_name, gchar* config_file, gchar* log_f
                     * so we can be sure there's runtime left after executing
                     * the last command.
                     */
-                    min_runtime += (unsigned int)waittime;
+                    min_runtime += waittime;
                } else {
                    log_error("%s", err_msg);
                    g_free(err_msg);
--- a/src/ui/console.c
+++ b/src/ui/console.c
@@ -1703,11 +1703,6 @@ cons_notify_setting(void)
    else
        cons_show("Subscription requests (/notify sub) : OFF");

-    if (prefs_get_boolean(PREF_AUTOPING_WARNING))
-        cons_show("Autoping warning (/autoping warning): ON");
-    else
-        cons_show("Autoping warning (/autoping warning): OFF");
-
    gint remind_period = prefs_get_notify_remind();
    if (remind_period == 0) {
        cons_show("Reminder period (/notify remind)    : OFF");
@@ -2008,26 +2003,21 @@ cons_autoping_setting(void)
 {
    gint autoping_interval = prefs_get_autoping();
    if (autoping_interval == 0) {
-        cons_show("Autoping interval (/autoping)       : OFF");
+        cons_show("Autoping interval (/autoping)   : OFF");
    } else if (autoping_interval == 1) {
-        cons_show("Autoping interval (/autoping)       : 1 second");
+        cons_show("Autoping interval (/autoping)   : 1 second");
    } else {
-        cons_show("Autoping interval (/autoping)       : %d seconds", autoping_interval);
+        cons_show("Autoping interval (/autoping)   : %d seconds", autoping_interval);
    }

    gint autoping_timeout = prefs_get_autoping_timeout();
    if (autoping_timeout == 0) {
-        cons_show("Autoping timeout (/autoping)        : OFF");
+        cons_show("Autoping timeout (/autoping)    : OFF");
    } else if (autoping_timeout == 1) {
-        cons_show("Autoping timeout (/autoping)        : 1 second");
+        cons_show("Autoping timeout (/autoping)    : 1 second");
    } else {
-        cons_show("Autoping timeout (/autoping)        : %d seconds", autoping_timeout);
+        cons_show("Autoping timeout (/autoping)    : %d seconds", autoping_timeout);
    }
-
-    if (prefs_get_boolean(PREF_AUTOPING_WARNING))
-        cons_show("Autoping warning (/autoping warning): ON");
-    else
-        cons_show("Autoping warning (/autoping warning): OFF");
 }

 void
--- a/src/ui/window.c
+++ b/src/ui/window.c
@@ -43,7 +43,7 @@
 #include "ai/ai_client.h"

 static const int PAD_MIN_HEIGHT = 100;
-static const int PAD_DEAD_SPACE_LIMIT = 2000; // reclaim once the pad holds this much dead space (cursor past live buffer); size-independent, so it never fires while scrolling
+static const int PAD_THRESHOLD = 12000; // above buffer cap (~9000): reclaims dead pad space, never fires while scrolling
 static gboolean _in_redraw = FALSE;

 static void
@@ -56,10 +56,9 @@ _win_ensure_pad_capacity(ProfWin* window, WINDOW* win, int lines_needed)
    int cur_height = getmaxy(win);
    int cur_width = getmaxx(win);
    if (lines_needed >= cur_height - 1) {
-        // redraw to reclaim dead pad space (cursor far past live buffer, e.g. a long
-        // append-only session); dead space never accrues while scrolling, only here
-        int dead = window ? getcury(win) - window->layout->buffer->lines : 0;
-        if (window && dead > PAD_DEAD_SPACE_LIMIT && !_in_redraw) {
+        // If we are getting too large, trigger a redraw to clean up old lines
+        // but only if we are not already in a redraw process.
+        if (window && cur_height >= PAD_THRESHOLD && !_in_redraw) {
            win_redraw(window);
        } else {
            // resize to required lines + some buffer for next messages
@@ -68,20 +67,6 @@ _win_ensure_pad_capacity(ProfWin* window, WINDOW* win, int lines_needed)
        }
    }
 }
-
-// upper-bound estimate of rows a message body occupies (hard newlines + soft-wrap), to reserve pad space before printing so a tall message isn't clipped (a clipped height desyncs the scroll offset)
-static int
-_win_estimated_lines(WINDOW* win, const char* const message, int indent, int pad_indent)
-{
-    int usable = MAX(1, getmaxx(win) - (indent + pad_indent));
-    int newlines = 0;
-    for (const char* p = message; *p; p++) {
-        if (*p == '\n') {
-            newlines++;
-        }
-    }
-    return newlines + utf8_display_len(message) / usable + 2;
-}
 static const char* LOADING_MESSAGE = "Loading older messages…";
 static const char* CONS_WIN_TITLE = "CProof. Type /help for help information.";
 static const char* XML_WIN_TITLE = "XML Console";
@@ -2016,7 +2001,7 @@ _win_print_internal(ProfWin* window, const char* show_char, int pad_indent, GDat
        }
    }

-    _win_ensure_pad_capacity(window, window->layout->win, getcury(window->layout->win) + _win_estimated_lines(window->layout->win, message + offset, indent, pad_indent));
+    _win_ensure_pad_capacity(window, window->layout->win, getcury(window->layout->win));

    if (prefs_get_boolean(PREF_WRAP)) {
        _win_print_wrapped(window->layout->win, message + offset, indent, pad_indent);
--- a/src/xmpp/iq.c
+++ b/src/xmpp/iq.c
@@ -99,7 +99,6 @@ static void _disco_items_result_handler(xmpp_stanza_t* const stanza);
 static void _last_activity_get_handler(xmpp_stanza_t* const stanza);
 static void _version_get_handler(xmpp_stanza_t* const stanza);
 static void _ping_get_handler(xmpp_stanza_t* const stanza);
-static void _disco_autoping_warning_message(GHashTable* features);

 static int _version_result_id_handler(xmpp_stanza_t* const stanza, void* const userdata);
 static int _disco_info_response_id_handler(xmpp_stanza_t* const stanza, void* const userdata);
@@ -2430,12 +2429,6 @@ _disco_info_response_id_handler_onconnect(xmpp_stanza_t* const stanza, void* con
            }
            child = xmpp_stanza_get_next(child);
        }
-
-        // Prevent repetitions by avoiding checks of disco items (from connection_set_disco_items)
-        const char* domain = connection_get_domain();
-        if (from && domain && g_ascii_strcasecmp(from, domain) == 0) {
-            _disco_autoping_warning_message(features);
-        }
    }

    connection_features_received(from);
@@ -2443,21 +2436,6 @@ _disco_info_response_id_handler_onconnect(xmpp_stanza_t* const stanza, void* con
    return 0;
 }

-static void
-_disco_autoping_warning_message(GHashTable* features)
-{
-    gboolean server_supports_ping = g_hash_table_contains(features, "urn:xmpp:ping");
-    gboolean user_prefers_warning = prefs_get_boolean(PREF_AUTOPING_WARNING);
-    gboolean is_autoping_enabled = prefs_get_autoping() != 0;
-
-    if (!is_autoping_enabled && server_supports_ping && user_prefers_warning) {
-        cons_show("This server supports XEP-0199: XMPP Ping (better keepalive detection),\n"
-                  "but autoping feature is currently disabled in settings.\n"
-                  "Consider enabling it (e.g., `/autoping set 30`) for improved connection stability.\n"
-                  "Use `/autoping warning off` to disable this message.");
-    }
-}
-
 static int
 _http_upload_response_id_handler(xmpp_stanza_t* const stanza, void* const userdata)
 {
--- a/src/xmpp/jid.c
+++ b/src/xmpp/jid.c
@@ -117,7 +117,7 @@ jid_is_valid(const gchar* const str)

    // Localpart validation
    if (at) {
-        size_t local_len = g_diff_to_gsize(at, str);
+        size_t local_len = at - str;
        if (local_len == 0 || local_len > JID_MAX_PART_LEN) {
            return FALSE;
        }
@@ -135,7 +135,7 @@ jid_is_valid(const gchar* const str)

    // Resourcepart validation if present
    if (slash) {
-        domain_len = g_diff_to_gsize(slash, domain_start);
+        domain_len = slash - domain_start;
        size_t resource_len = strlen(slash + 1);
        if (resource_len > JID_MAX_PART_LEN) {
            return FALSE;
--- a/src/xmpp/message.c
+++ b/src/xmpp/message.c
@@ -65,7 +65,6 @@ static void _handle_pubsub(xmpp_stanza_t* const stanza, xmpp_stanza_t* const eve
 static gboolean _handle_form(xmpp_stanza_t* const stanza);
 static gboolean _handle_jingle_message(xmpp_stanza_t* const stanza);
 static gboolean _should_ignore_based_on_silence(xmpp_stanza_t* const stanza);
-static gboolean _stanza_id_by_trusted(const char* by);
 #ifdef HAVE_OMEMO
 static void _receive_omemo(xmpp_stanza_t* const stanza, ProfMessage* message);
 #endif
@@ -467,15 +466,12 @@ message_send_chat_pgp(const char* const barejid, const char* const msg, gboolean
    auto_char char* jid = chat_session_get_jid(barejid);
    char* id = connection_create_stanza_id();

-    ProfWin* current = wins_get_current();
-
    xmpp_stanza_t* message = NULL;
 #ifdef HAVE_LIBGPGME
    ProfAccount* account = accounts_get_account(session_get_account_name());
    if (account->pgp_keyid) {
        auto_jid Jid* jidp = jid_create(jid);
-        auto_gchar gchar* err = NULL;
-        auto_gchar gchar* encrypted = p_gpg_encrypt(jidp->barejid, msg, account->pgp_keyid, &err);
+        auto_gchar gchar* encrypted = p_gpg_encrypt(jidp->barejid, msg, account->pgp_keyid);
        if (encrypted) {
            message = xmpp_message_new(ctx, STANZA_TYPE_CHAT, jid, id);
            xmpp_message_set_body(message, "This message is encrypted (XEP-0027).");
@@ -489,31 +485,18 @@ message_send_chat_pgp(const char* const barejid, const char* const msg, gboolean
            xmpp_stanza_add_child(message, x);
            xmpp_stanza_release(x);
        } else {
-            if (current) {
-                win_println(current, THEME_ERROR, "-", "Unable to encrypt message for %s: %s.", jid, err);
-            }
-            log_error("Message not encrypted for %s: %s.", jid, err);
-            account_free(account);
-            free(id);
-            return NULL;
+            message = xmpp_message_new(ctx, STANZA_TYPE_CHAT, jid, id);
+            xmpp_message_set_body(message, msg);
        }
    } else {
-        if (current) {
-            win_println(current, THEME_ERROR, "-", "No PGP key configured for this account.");
-        }
-        log_error("No PGP key configured, message not sent.");
-        account_free(account);
-        free(id);
-        return NULL;
+        message = xmpp_message_new(ctx, STANZA_TYPE_CHAT, jid, id);
+        xmpp_message_set_body(message, msg);
    }
    account_free(account);
 #else
-    if (current) {
-        win_println(current, THEME_ERROR, "-", "LibGPGME not available, message not sent.");
-    }
-    log_error("LibGPGME not available, message not sent.");
-    free(id);
-    return NULL;
+    // ?
+    message = xmpp_message_new(ctx, STANZA_TYPE_CHAT, jid, id);
+    xmpp_message_set_body(message, msg);
 #endif

    if (state) {
@@ -562,10 +545,7 @@ message_send_chat_ox(const char* const barejid, const char* const msg, gboolean
    xmpp_stanza_to_text(signcrypt, &c, &s);
    char* signcrypt_e = p_ox_gpg_signcrypt(account->jid, barejid, c);
    if (signcrypt_e == NULL) {
-        ProfWin* current = wins_get_current();
-        if (current) {
-            win_println(current, THEME_ERROR, "-", "Unable to send OX message. Check log file and profanity-ox-setup man page for details.");
-        }
+        cons_show("Unable to send OX message. Check log file and profanity-ox-setup man page for details.");
        log_error("Message not signcrypted.");
        return NULL;
    }
@@ -1108,7 +1088,7 @@ _handle_groupchat(xmpp_stanza_t* const stanza)
    xmpp_stanza_t* stanzaidst = xmpp_stanza_get_child_by_name_and_ns(stanza, STANZA_NAME_STANZA_ID, STANZA_NS_STABLE_ID);
    if (stanzaidst) {
        const char* by = xmpp_stanza_get_attribute(stanzaidst, "by");
-        if (by && g_strcmp0(by, from_jid->barejid) == 0 && _stanza_id_by_trusted(by)) {
+        if (by && (g_strcmp0(by, from_jid->barejid) == 0)) {
            stanzaid = (char*)xmpp_stanza_get_attribute(stanzaidst, STANZA_ATTR_ID);
            if (stanzaid) {
                message->stanzaid = strdup(stanzaid);
@@ -1417,7 +1397,7 @@ _handle_chat(xmpp_stanza_t* const stanza, gboolean is_mam, gboolean is_carbon, c
        xmpp_stanza_t* stanzaidst = xmpp_stanza_get_child_by_name_and_ns(stanza, STANZA_NAME_STANZA_ID, STANZA_NS_STABLE_ID);
        if (stanzaidst) {
            const char* by = xmpp_stanza_get_attribute(stanzaidst, "by");
-            if (by && equals_our_barejid(by) && _stanza_id_by_trusted(by)) {
+            if (by && equals_our_barejid(by)) {
                stanzaid = (char*)xmpp_stanza_get_attribute(stanzaidst, STANZA_ATTR_ID);
                if (stanzaid) {
                    message->stanzaid = strdup(stanzaid);
@@ -1755,22 +1735,3 @@ _should_ignore_based_on_silence(xmpp_stanza_t* const stanza)
    }
    return FALSE;
 }
-
-// XEP-0359 §6 disco-gate; falls back to domain since that's what disco is run against.
-static gboolean
-_stanza_id_by_trusted(const char* by)
-{
-    if (!by) {
-        return FALSE;
-    }
-    GHashTable* features = connection_get_features(by);
-    if (features && g_hash_table_contains(features, STANZA_NS_STABLE_ID)) {
-        return TRUE;
-    }
-    const char* at = strchr(by, '@');
-    if (!at) {
-        return FALSE;
-    }
-    features = connection_get_features(at + 1);
-    return features && g_hash_table_contains(features, STANZA_NS_STABLE_ID);
-}
--- a/src/xmpp/muc.c
+++ b/src/xmpp/muc.c
@@ -707,7 +707,7 @@ muc_autocomplete(ProfWin* window, const char* const input, gboolean previous)
    } else {
        search_str = last_space + 1;
        if (!chat_room->autocomplete_prefix) {
-            chat_room->autocomplete_prefix = g_strndup(input, g_diff_to_gsize(search_str, input));
+            chat_room->autocomplete_prefix = g_strndup(input, search_str - input);
        }
    }

--- a/src/xmpp/presence.c
+++ b/src/xmpp/presence.c
@@ -621,20 +621,15 @@ _available_handler(xmpp_stanza_t* const stanza)
    }

    if (g_strcmp0(xmpp_presence->jid->barejid, my_jid->barejid) == 0) {
-        // Copy what we read before connection_add_available_resource() takes ownership.
-        Resource* resource_for_roster = resource_copy(resource);
-        auto_gchar gchar* resource_name = g_strdup(resource->name);
-        auto_gchar gchar* resource_status = resource->status ? g_strdup(resource->status) : NULL;
-        int resource_priority = resource->priority;
-        resource_presence_t resource_presence = resource->presence;
        connection_add_available_resource(resource);
+        Resource* resource_for_roster = resource_copy(resource);
        sv_ev_contact_online(xmpp_presence->jid->barejid, resource_for_roster, xmpp_presence->last_activity, pgpsig);
        const char* account_name = session_get_account_name();
        int max_sessions = accounts_get_max_sessions(account_name);
        if (max_sessions > 0) {
            auto_gchar gchar* cur_resource = accounts_get_resource(account_name);
            int res_count = connection_count_available_resources();
-            if (res_count > max_sessions && g_strcmp0(cur_resource, resource_name)) {
+            if (res_count > max_sessions && g_strcmp0(cur_resource, resource->name)) {
                ProfWin* console = wins_get_console();
                ProfWin* current_window = wins_get_current();
                auto_gchar gchar* message = g_strdup_printf("Max sessions alarm! (%d/%d devices in use)", res_count, max_sessions);
@@ -644,14 +639,14 @@ _available_handler(xmpp_stanza_t* const stanza)
                }
                notify(message, 10000, "Security alert");

-                const char* resource_presence_str = string_from_resource_presence(resource_presence);
-                win_print(console, THEME_DEFAULT, "|", "New device info: \n    %s (%d), %s", resource_name, resource_priority, resource_presence_str);
+                const char* resource_presence = string_from_resource_presence(resource->presence);
+                win_print(console, THEME_DEFAULT, "|", "New device info: \n    %s (%d), %s", resource->name, resource->priority, resource_presence);

-                if (resource_status) {
-                    win_append(console, THEME_DEFAULT, ", \"%s\"", resource_status);
+                if (resource->status) {
+                    win_append(console, THEME_DEFAULT, ", \"%s\"", resource->status);
                }
                win_appendln(console, THEME_DEFAULT, "");
-                auto_jid Jid* jidp = jid_create_from_bare_and_resource(my_jid->barejid, resource_name);
+                auto_jid Jid* jidp = jid_create_from_bare_and_resource(my_jid->barejid, resource->name);
                EntityCapabilities* caps = caps_lookup(jidp->fulljid);

                if (caps) {
--- a/tests/functionaltests/functionaltests.c
+++ b/tests/functionaltests/functionaltests.c
@@ -150,14 +150,6 @@ main(int argc, char* argv[])
        PROF_FUNC_TEST(autoping_sends_ping_after_interval),
        PROF_FUNC_TEST(autoping_server_not_supporting_ping),

-        /* Autoping availability warning - negative cases wait ~3s */
-        PROF_FUNC_TEST(autoping_warning_shown_when_disabled),
-        PROF_FUNC_TEST(autoping_warning_not_shown_when_server_unsupported),
-        PROF_FUNC_TEST(autoping_warning_not_shown_when_autoping_enabled),
-        PROF_FUNC_TEST(autoping_warning_not_shown_when_user_disabled),
-        PROF_FUNC_TEST(autoping_warning_not_shown_for_user_jid),
-        PROF_FUNC_TEST(autoping_warning_not_shown_for_subdomain_service),
-
        /* Service Discovery - XEP-0030 */
        PROF_FUNC_TEST(disco_info_shows_identity),
        PROF_FUNC_TEST(disco_info_shows_features),
@@ -261,10 +253,6 @@ main(int argc, char* argv[])
        PROF_FUNC_TEST(message_receive_console),
        PROF_FUNC_TEST(message_receive_chatwin),

-        /* XEP-0359 disco gate for stanza-id trust */
-        PROF_FUNC_TEST(stanza_id_dedup_fires_when_server_announces_sid0),
-        PROF_FUNC_TEST(stanza_id_not_trusted_when_server_does_not_announce_sid0),
-
 #ifdef HAVE_SQLITE
        /* MUC (groupchat) database — export/import of type="muc" messages */
        PROF_FUNC_TEST(muc_export_sqlite_to_flatfile),
--- a/tests/functionaltests/proftest.c
+++ b/tests/functionaltests/proftest.c
@@ -119,9 +119,10 @@ _create_dir(const char* name)
 gboolean
 _mkdir_recursive(const char* dir)
 {
+    int i;
    gboolean result = TRUE;

-    for (size_t i = 1; i <= strlen(dir); i++) {
+    for (i = 1; i <= strlen(dir); i++) {
        if (dir[i] == '/' || dir[i] == '\0') {
            gchar* next_dir = g_strndup(dir, i);
            result = _create_dir(next_dir);
--- a/tests/functionaltests/test_autoping.c
+++ b/tests/functionaltests/test_autoping.c
@@ -112,144 +112,3 @@ autoping_server_not_supporting_ping(void** state)
    // Should show error about ping not being supported
    assert_true(prof_output_regex("Server ping not supported"));
 }
-
-/*
- * Autoping availability warning.
- *
- * The warning fires from the on-connect disco handler, so the three inputs
- * (server ping support, autoping interval, warning preference) must all be
- * set before prof_connect().
- */
-
-/* Stable substring of the warning text emitted by iq.c. */
-#define AUTOPING_WARNING_MATCH "This server supports XEP-0199"
-
-static void
-_stub_server_disco(gboolean with_ping)
-{
-    if (with_ping) {
-        stbbr_for_query("http://jabber.org/protocol/disco#info",
-            "<iq to='stabber@localhost/profanity' type='result' from='localhost'>"
-                "<query xmlns='http://jabber.org/protocol/disco#info'>"
-                    "<identity category='server' type='im' name='Stabber'/>"
-                    "<feature var='urn:xmpp:ping'/>"
-                "</query>"
-            "</iq>"
-        );
-    } else {
-        stbbr_for_query("http://jabber.org/protocol/disco#info",
-            "<iq to='stabber@localhost/profanity' type='result' from='localhost'>"
-                "<query xmlns='http://jabber.org/protocol/disco#info'>"
-                    "<identity category='server' type='im' name='Stabber'/>"
-                "</query>"
-            "</iq>"
-        );
-    }
-}
-
-void
-autoping_warning_shown_when_disabled(void** state)
-{
-    // All conditions met: server supports ping, autoping off, warning on (default).
-    _stub_server_disco(TRUE);
-
-    prof_input("/autoping set 0");
-    assert_true(prof_output_exact("Autoping disabled."));
-
-    prof_connect();
-
-    assert_true(prof_output_regex(AUTOPING_WARNING_MATCH));
-}
-
-void
-autoping_warning_not_shown_when_server_unsupported(void** state)
-{
-    // Server does not advertise urn:xmpp:ping -> no warning even with autoping off.
-    _stub_server_disco(FALSE);
-
-    prof_input("/autoping set 0");
-    assert_true(prof_output_exact("Autoping disabled."));
-
-    prof_connect();
-
-    prof_timeout(NEGATIVE_ASSERT_TIMEOUT);
-    assert_false(prof_output_regex(AUTOPING_WARNING_MATCH));
-}
-
-void
-autoping_warning_not_shown_when_autoping_enabled(void** state)
-{
-    // Warning is suppressed while autoping is enabled.
-    _stub_server_disco(TRUE);
-
-    prof_input("/autoping set 30");
-    assert_true(prof_output_exact("Autoping interval set to 30 seconds."));
-
-    prof_connect();
-
-    prof_timeout(NEGATIVE_ASSERT_TIMEOUT);
-    assert_false(prof_output_regex(AUTOPING_WARNING_MATCH));
-}
-
-void
-autoping_warning_not_shown_when_user_disabled(void** state)
-{
-    // User opted out -> no warning.
-    _stub_server_disco(TRUE);
-
-    prof_input("/autoping set 0");
-    assert_true(prof_output_exact("Autoping disabled."));
-
-    prof_input("/autoping warning off");
-    assert_true(prof_output_exact("Autoping availability warning disabled."));
-
-    prof_connect();
-
-    prof_timeout(NEGATIVE_ASSERT_TIMEOUT);
-    assert_false(prof_output_regex(AUTOPING_WARNING_MATCH));
-}
-
-void
-autoping_warning_not_shown_for_user_jid(void** state)
-{
-    // disco#info from a user JID (with '@') should not trigger the warning,
-    // only server responses (no '@') should.
-    stbbr_for_query("http://jabber.org/protocol/disco#info",
-        "<iq to='stabber@localhost/profanity' type='result' from='buddy1@localhost'>"
-            "<query xmlns='http://jabber.org/protocol/disco#info'>"
-                "<identity category='person' type='chat' name='Buddy1'/>"
-                "<feature var='urn:xmpp:ping'/>"
-            "</query>"
-        "</iq>"
-    );
-
-    prof_input("/autoping set 0");
-    assert_true(prof_output_exact("Autoping disabled."));
-
-    prof_connect();
-
-    prof_timeout(NEGATIVE_ASSERT_TIMEOUT);
-    assert_false(prof_output_regex(AUTOPING_WARNING_MATCH));
-}
-
-void
-autoping_warning_not_shown_for_subdomain_service(void** state)
-{
-    // disco#info from a subdomain service should not trigger the warning, only the server's own domain should
-    stbbr_for_query("http://jabber.org/protocol/disco#info",
-        "<iq to='stabber@localhost/profanity' type='result' from='conf.localhost'>"
-            "<query xmlns='http://jabber.org/protocol/disco#info'>"
-                "<identity category='conference' type='text' name='Conference Service'/>"
-                "<feature var='urn:xmpp:ping'/>"
-            "</query>"
-        "</iq>"
-    );
-
-    prof_input("/autoping set 0");
-    assert_true(prof_output_exact("Autoping disabled."));
-
-    prof_connect();
-
-    prof_timeout(NEGATIVE_ASSERT_TIMEOUT);
-    assert_false(prof_output_regex(AUTOPING_WARNING_MATCH));
-}
--- a/tests/functionaltests/test_autoping.h
+++ b/tests/functionaltests/test_autoping.h
@@ -4,9 +4,3 @@ void autoping_timeout_set(void** state);
 void autoping_timeout_zero_disables(void** state);
 void autoping_sends_ping_after_interval(void** state);
 void autoping_server_not_supporting_ping(void** state);
-void autoping_warning_shown_when_disabled(void** state);
-void autoping_warning_not_shown_when_server_unsupported(void** state);
-void autoping_warning_not_shown_when_autoping_enabled(void** state);
-void autoping_warning_not_shown_when_user_disabled(void** state);
-void autoping_warning_not_shown_for_user_jid(void** state);
-void autoping_warning_not_shown_for_subdomain_service(void** state);
--- a/tests/functionaltests/test_message.c
+++ b/tests/functionaltests/test_message.c
@@ -56,70 +56,3 @@ message_receive_chatwin(void **state)

    assert_true(prof_output_regex("someuser@chatserv.org/laptop: .+How are you?"));
 }
-
-// XEP-0359 disco gate: server announces urn:xmpp:sid:0 -> stanza-id trusted -> replay flagged as duplicate.
-void
-stanza_id_dedup_fires_when_server_announces_sid0(void **state)
-{
-    stbbr_for_query("http://jabber.org/protocol/disco#info",
-        "<iq type='result' to='stabber@localhost/profanity' from='localhost'>"
-            "<query xmlns='http://jabber.org/protocol/disco#info'>"
-                "<identity category='server' type='im' name='TestServer'/>"
-                "<feature var='urn:xmpp:sid:0'/>"
-            "</query>"
-        "</iq>"
-    );
-
-    prof_connect();
-
-    stbbr_send(
-        "<message id='m-trust-1' to='stabber@localhost' from='someuser@chatserv.org/laptop' type='chat'>"
-            "<body>first</body>"
-            "<stanza-id xmlns='urn:xmpp:sid:0' by='stabber@localhost' id='archive-id-42'/>"
-        "</message>"
-    );
-    assert_true(prof_output_exact("<< chat message: someuser@chatserv.org/laptop (win 2)"));
-
-    stbbr_send(
-        "<message id='m-trust-2' to='stabber@localhost' from='someuser@chatserv.org/laptop' type='chat'>"
-            "<body>replay</body>"
-            "<stanza-id xmlns='urn:xmpp:sid:0' by='stabber@localhost' id='archive-id-42'/>"
-        "</message>"
-    );
-    assert_true(prof_output_exact("Got a message with duplicate (server-generated) stanza-id from someuser@chatserv.org/laptop."));
-}
-
-// XEP-0359 disco gate: server does NOT announce urn:xmpp:sid:0 -> stanza-id untrusted -> no replay error.
-void
-stanza_id_not_trusted_when_server_does_not_announce_sid0(void **state)
-{
-    stbbr_for_query("http://jabber.org/protocol/disco#info",
-        "<iq type='result' to='stabber@localhost/profanity' from='localhost'>"
-            "<query xmlns='http://jabber.org/protocol/disco#info'>"
-                "<identity category='server' type='im' name='TestServer'/>"
-                "<feature var='urn:xmpp:ping'/>"
-            "</query>"
-        "</iq>"
-    );
-
-    prof_connect();
-
-    stbbr_send(
-        "<message id='m-untrust-1' to='stabber@localhost' from='someuser@chatserv.org/laptop' type='chat'>"
-            "<body>first</body>"
-            "<stanza-id xmlns='urn:xmpp:sid:0' by='stabber@localhost' id='archive-id-77'/>"
-        "</message>"
-    );
-    assert_true(prof_output_exact("<< chat message: someuser@chatserv.org/laptop (win 2)"));
-
-    stbbr_send(
-        "<message id='m-untrust-2' to='stabber@localhost' from='someuser@chatserv.org/laptop' type='chat'>"
-            "<body>replay</body>"
-            "<stanza-id xmlns='urn:xmpp:sid:0' by='stabber@localhost' id='archive-id-77'/>"
-        "</message>"
-    );
-
-    prof_timeout(2);
-    assert_false(prof_output_exact("Got a message with duplicate (server-generated) stanza-id"));
-    prof_timeout_reset();
-}
--- a/tests/functionaltests/test_message.h
+++ b/tests/functionaltests/test_message.h
@@ -1,5 +1,3 @@
 void message_send(void **state);
 void message_receive_console(void **state);
 void message_receive_chatwin(void **state);
-void stanza_id_dedup_fires_when_server_announces_sid0(void **state);
-void stanza_id_not_trusted_when_server_does_not_announce_sid0(void **state);
--- a/tests/unittests/test_ai_client.c
+++ b/tests/unittests/test_ai_client.c
@@ -614,24 +614,6 @@ test_ai_set_provider_setting(void** state)
    assert_null(ai_get_provider_setting("p_set_settings", "nonexistent_setting"));
 }

-void
-test_ai_set_provider_setting_reserved_key(void** state)
-{
-    ai_add_provider("p_reserved_keys", "https://example.test/rk/");
-
-    /* Reserved payload keys are rejected (would duplicate fixed fields) */
-    assert_false(ai_set_provider_setting("p_reserved_keys", "model", "x"));
-    assert_false(ai_set_provider_setting("p_reserved_keys", "messages", "[]"));
-    assert_false(ai_set_provider_setting("p_reserved_keys", "stream", "true"));
-    assert_null(ai_get_provider_setting("p_reserved_keys", "model"));
-
-    /* Ordinary keys still work */
-    assert_true(ai_set_provider_setting("p_reserved_keys", "temperature", "0.7"));
-    auto_gchar gchar* temp = ai_get_provider_setting("p_reserved_keys", "temperature");
-    assert_non_null(temp);
-    assert_string_equal("0.7", temp);
-}
-
 void
 test_ai_get_provider_setting(void** state)
 {
@@ -937,22 +919,22 @@ test_ai_parse_response_openai_content(void** state)
 }

 void
-test_ai_parse_response_legacy_text_format_unsupported(void** state)
+test_ai_parse_response_perplexity_text(void** state)
 {
-    /* Legacy Perplexity /v1/agent format: "content" is an array, not a string.
-     * Dropped with the chat-completions alignment, so parsing yields NULL. */
    const gchar* json = "{\"output\":[{\"content\":[{\"text\":\"Search result\",\"type\":\"output_text\"}]}]}";
-    assert_null(ai_parse_response(json));
+    auto_gchar gchar* out = ai_parse_response(json);
+    assert_non_null(out);
+    assert_string_equal("Search result", out);
 }

 void
-test_ai_parse_response_content_preferred_over_text(void** state)
+test_ai_parse_response_text_preferred_over_content(void** state)
 {
-    /* Chat-completions "content" is extracted; a stray "text" field is ignored. */
+    /* When both formats are present, "text" wins (Perplexity path tried first). */
    const gchar* json = "{\"text\":\"from text field\",\"content\":\"from content field\"}";
    auto_gchar gchar* out = ai_parse_response(json);
    assert_non_null(out);
-    assert_string_equal("from content field", out);
+    assert_string_equal("from text field", out);
 }

 void
--- a/tests/unittests/test_ai_client.h
+++ b/tests/unittests/test_ai_client.h
@@ -43,7 +43,6 @@ void test_ai_providers_find_case_insensitive(void** state);
 void test_ai_set_provider_default_model(void** state);
 void test_ai_get_provider_default_model(void** state);
 void test_ai_set_provider_setting(void** state);
-void test_ai_set_provider_setting_reserved_key(void** state);
 void test_ai_get_provider_setting(void** state);
 /* Model caching tests */
 void test_ai_models_are_fresh_initial(void** state);
@@ -65,8 +64,8 @@ int ai_client_teardown_with_prefs(void** state);

 /* Chat response parser tests (ai_parse_response) */
 void test_ai_parse_response_openai_content(void** state);
-void test_ai_parse_response_legacy_text_format_unsupported(void** state);
-void test_ai_parse_response_content_preferred_over_text(void** state);
+void test_ai_parse_response_perplexity_text(void** state);
+void test_ai_parse_response_text_preferred_over_content(void** state);
 void test_ai_parse_response_escaped_quote(void** state);
 void test_ai_parse_response_newline_escape(void** state);
 void test_ai_parse_response_empty_content(void** state);
--- a/tests/unittests/unittests.c
+++ b/tests/unittests/unittests.c
@@ -752,7 +752,6 @@ main(int argc, char* argv[])
        cmocka_unit_test_setup_teardown(test_ai_set_provider_default_model, ai_client_setup, ai_client_teardown),
        cmocka_unit_test_setup_teardown(test_ai_get_provider_default_model, ai_client_setup, ai_client_teardown),
        cmocka_unit_test_setup_teardown(test_ai_set_provider_setting, ai_client_setup, ai_client_teardown),
-        cmocka_unit_test_setup_teardown(test_ai_set_provider_setting_reserved_key, ai_client_setup, ai_client_teardown),
        cmocka_unit_test_setup_teardown(test_ai_get_provider_setting, ai_client_setup, ai_client_teardown),
        /* Model caching tests */
        cmocka_unit_test_setup_teardown(test_ai_models_are_fresh_initial, ai_client_setup, ai_client_teardown),
@@ -775,8 +774,8 @@ main(int argc, char* argv[])
        cmocka_unit_test(test_ai_json_escape_backslash_quote),
        /* Chat response parser */
        cmocka_unit_test(test_ai_parse_response_openai_content),
-        cmocka_unit_test(test_ai_parse_response_legacy_text_format_unsupported),
-        cmocka_unit_test(test_ai_parse_response_content_preferred_over_text),
+        cmocka_unit_test(test_ai_parse_response_perplexity_text),
+        cmocka_unit_test(test_ai_parse_response_text_preferred_over_content),
        cmocka_unit_test(test_ai_parse_response_escaped_quote),
        cmocka_unit_test(test_ai_parse_response_newline_escape),
        cmocka_unit_test(test_ai_parse_response_empty_content),