Set STT default to oneshot; add pending_finalize and env model

flakes/stt_ime/fcitx5-stt/CMakeLists.txt

@@ -39,4 +39,4 @@ set_target_properties(stt PROPERTIES PREFIX "")
 # Install targets - use standard paths, Nix postInstall will handle fcitx5 paths
 install(TARGETS stt DESTINATION lib/fcitx5)
 install(FILES data/stt.conf DESTINATION share/fcitx5/addon)
-install(FILES data/stt-im.conf DESTINATION share/fcitx5/inputmethod)
+install(FILES data/stt-inputmethod.conf DESTINATION share/fcitx5/inputmethod RENAME stt.conf)

flakes/stt_ime/fcitx5-stt/src/stt.cpp

@@ -159,7 +159,7 @@ private:
     std::string readBuffer_;
 
     // Mode
-    SttMode mode_ = SttMode::Manual;
+    SttMode mode_ = SttMode::Oneshot;
 
     // Current state
     bool ready_ = false;

flakes/stt_ime/stt-stream/src/main.rs

@@ -55,6 +55,27 @@ impl ModelSize {
         }
     }
 
+    fn parse(input: &str) -> Option<Self> {
+        let normalized = input
+            .trim()
+            .to_lowercase()
+            .replace('.', "-")
+            .replace('_', "-");
+
+        match normalized.as_str() {
+            "tiny" => Some(ModelSize::Tiny),
+            "tiny-en" => Some(ModelSize::TinyEn),
+            "base" => Some(ModelSize::Base),
+            "base-en" => Some(ModelSize::BaseEn),
+            "small" => Some(ModelSize::Small),
+            "small-en" => Some(ModelSize::SmallEn),
+            "medium" => Some(ModelSize::Medium),
+            "medium-en" => Some(ModelSize::MediumEn),
+            "large-v3" => Some(ModelSize::LargeV3),
+            _ => None,
+        }
+    }
+
     fn hf_repo(&self) -> &'static str {
         "ggerganov/whisper.cpp"
     }
@@ -210,6 +231,8 @@ struct AudioState {
     silence_samples: usize,
     /// Last partial emission time
     last_partial: std::time::Instant,
+    /// Manual mode: stop requested, finalize next tick
+    pending_finalize: bool,
 }
 
 impl AudioState {
@@ -220,6 +243,7 @@ impl AudioState {
             speech_detected: false,
             silence_samples: 0,
             last_partial: std::time::Instant::now(),
+            pending_finalize: false,
         }
     }
 
@@ -227,6 +251,7 @@ impl AudioState {
         self.buffer.clear();
         self.speech_detected = false;
         self.silence_samples = 0;
+        self.pending_finalize = false;
     }
 }
 
@@ -241,7 +266,22 @@ async fn main() -> Result<()> {
         .with_writer(std::io::stderr)
         .init();
 
-    let args = Args::parse();
+    let mut args = Args::parse();
+
+    // Allow Nix/session configuration via env vars.
+    // Precedence: explicit CLI args > env vars > defaults.
+    //
+    // `ringofstorms.sttIme.model` uses dot notation (e.g. "tiny.en"),
+    // while clap's value enum expects kebab-case (e.g. "tiny-en").
+    let cli_has_model_flag = std::env::args().any(|a| a == "--model" || a == "-M");
+    if !cli_has_model_flag && args.model_path.is_none() {
+        if let Ok(model) = std::env::var("STT_STREAM_MODEL") {
+            if let Some(parsed) = ModelSize::parse(&model) {
+                args.model = parsed;
+            }
+        }
+    }
+
     info!("Starting stt-stream with mode: {:?}", args.mode);
 
     // Load Whisper model
@@ -380,6 +420,7 @@ async fn main() -> Result<()> {
                 SttCommand::Stop => {
                     if let Ok(mut state) = audio_state_stdin.lock() {
                         state.is_recording = false;
+                        state.pending_finalize = true;
                         emit_event(&SttEvent::RecordingStopped);
                     }
                 }
@@ -434,7 +475,10 @@ async fn main() -> Result<()> {
         // Mode-specific behavior
         match current_mode {
             Mode::Manual => {
-                if !state.is_recording {
+                // In manual mode we normally ignore audio unless explicitly recording.
+                // Exception: after receiving a "stop" command, we need one more tick
+                // to finalize and emit the transcript.
+                if !state.is_recording && !state.pending_finalize {
                     continue;
                 }
             }
@@ -489,7 +533,7 @@ async fn main() -> Result<()> {
 
         // Check for end of utterance
         let should_finalize = match current_mode {
-            Mode::Manual => !state.is_recording && state.speech_detected,
+            Mode::Manual => state.pending_finalize && state.speech_detected,
             Mode::Oneshot | Mode::Continuous => {
                 state.speech_detected && state.silence_samples > silence_samples_threshold
             }

hosts/juni/flake.lock

@@ -38,19 +38,28 @@
     },
     "common": {
       "locked": {
-        "dir": "flakes/common",
+        "path": "../../flakes/common",
-        "lastModified": 1768335461,
+        "type": "path"
-        "narHash": "sha256-hYJSJlGg1t1RBdlDWfpC5VT3bzl17DIk57XaDQI5O2I=",
-        "ref": "refs/heads/master",
-        "rev": "72724ae54a50c4465d9153a03b8e445164ad08a6",
-        "revCount": 1135,
-        "type": "git",
-        "url": "https://git.joshuabell.xyz/ringofstorms/dotfiles"
       },
       "original": {
-        "dir": "flakes/common",
+        "path": "../../flakes/common",
-        "type": "git",
+        "type": "path"
-        "url": "https://git.joshuabell.xyz/ringofstorms/dotfiles"
+      },
+      "parent": []
+    },
+    "crane": {
+      "locked": {
+        "lastModified": 1768319649,
+        "narHash": "sha256-VFkNyxHxkqGp8gf8kfFMW1j6XeBy609kv6TE9uF/0Js=",
+        "owner": "ipetkov",
+        "repo": "crane",
+        "rev": "4b6527687cfd20da3c2ef8287e01b74c2d6c705b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "ipetkov",
+        "repo": "crane",
+        "type": "github"
       }
     },
     "de_plasma": {
@@ -58,19 +67,31 @@
         "plasma-manager": "plasma-manager"
       },
       "locked": {
-        "dir": "flakes/de_plasma",
+        "path": "../../flakes/de_plasma",
-        "lastModified": 1768335461,
+        "type": "path"
-        "narHash": "sha256-hYJSJlGg1t1RBdlDWfpC5VT3bzl17DIk57XaDQI5O2I=",
-        "ref": "refs/heads/master",
-        "rev": "72724ae54a50c4465d9153a03b8e445164ad08a6",
-        "revCount": 1135,
-        "type": "git",
-        "url": "https://git.joshuabell.xyz/ringofstorms/dotfiles"
       },
       "original": {
-        "dir": "flakes/de_plasma",
+        "path": "../../flakes/de_plasma",
-        "type": "git",
+        "type": "path"
-        "url": "https://git.joshuabell.xyz/ringofstorms/dotfiles"
+      },
+      "parent": []
+    },
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
       }
     },
     "flatpaks": {
@@ -318,6 +339,22 @@
         "type": "github"
       }
     },
+    "nixpkgs_7": {
+      "locked": {
+        "lastModified": 1768127708,
+        "narHash": "sha256-1Sm77VfZh3mU0F5OqKABNLWxOuDeHIlcFjsXeeiPazs=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "ffbc9f8cbaacfb331b6017d5a5abb21a492c9a38",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nvim_plugin-Almo7aya/openingh.nvim": {
       "flake": false,
       "locked": {
@@ -1232,7 +1269,8 @@
         "nixpkgs-unstable": "nixpkgs-unstable",
         "opencode": "opencode",
         "ros_neovim": "ros_neovim",
-        "secrets-bao": "secrets-bao"
+        "secrets-bao": "secrets-bao",
+        "stt_ime": "stt_ime"
       }
     },
     "ros_neovim": {
@@ -1339,6 +1377,37 @@
         "type": "path"
       },
       "parent": []
+    },
+    "stt_ime": {
+      "inputs": {
+        "crane": "crane",
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs_7"
+      },
+      "locked": {
+        "path": "../../flakes/stt_ime",
+        "type": "path"
+      },
+      "original": {
+        "path": "../../flakes/stt_ime",
+        "type": "path"
+      },
+      "parent": []
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
     }
   },
   "root": "root",

hosts/juni/flake.nix

@@ -9,16 +9,18 @@
     impermanence.url = "github:nix-community/impermanence";
 
     # Use relative to get current version for testin
-    # common.url = "path:../../flakes/common";
+    common.url = "path:../../flakes/common";
-    common.url = "git+https://git.joshuabell.xyz/ringofstorms/dotfiles?dir=flakes/common";
+    # common.url = "git+https://git.joshuabell.xyz/ringofstorms/dotfiles?dir=flakes/common";
     # secrets-bao.url = "path:../../flakes/secrets-bao";
     secrets-bao.url = "path:../../flakes/secrets-bao";
     # flatpaks.url = "path:../../flakes/flatpaks";
     flatpaks.url = "git+https://git.joshuabell.xyz/ringofstorms/dotfiles?dir=flakes/flatpaks";
     # beszel.url = "path:../../flakes/beszel";
     beszel.url = "git+https://git.joshuabell.xyz/ringofstorms/dotfiles?dir=flakes/beszel";
-    # de_plasma.url = "path:../../flakes/de_plasma";
+    de_plasma.url = "path:../../flakes/de_plasma";
-    de_plasma.url = "git+https://git.joshuabell.xyz/ringofstorms/dotfiles?dir=flakes/de_plasma";
+    # de_plasma.url = "git+https://git.joshuabell.xyz/ringofstorms/dotfiles?dir=flakes/de_plasma";
+    stt_ime.url = "path:../../flakes/stt_ime";
+    # stt_ime.url = "git+https://git.joshuabell.xyz/ringofstorms/dotfiles?dir=flakes/stt_ime";
 
     opencode.url = "github:sst/opencode";
     ros_neovim.url = "git+https://git.joshuabell.xyz/ringofstorms/nvim";
@@ -69,6 +71,13 @@
                 };
               })
               inputs.common.nixosModules.jetbrains_font
+              inputs.stt_ime.nixosModules.default
+              ({
+                ringofstorms.sttIme = {
+                  enable = true;
+                  model = "tiny.en";
+                };
+              })
 
               inputs.ros_neovim.nixosModules.default
               ({

hosts/juni/impermanence.nix

@@ -53,6 +53,9 @@
 
         ".local/share/zoxide"
 
+        # Hugging Face cache (e.g. whisper.cpp models via hf-hub)
+        ".cache/huggingface"
+
         ".config/opencode"
 
         # KDE