refactor: consolidate nvim crates, extract server library, and update workspace dependencies

server/src/models.rs

@@ -20,6 +20,58 @@ pub struct StickyNote {
 pub fn default_namespace() -> String {
     "global".to_string()
 }
+pub fn normalize_entity_type(input: &str) -> String {
+    let trimmed = input.trim();
+    if trimmed.is_empty() {
+        return "Concept".to_string();
+    }
+    let clean = trimmed.replace(['_', '-'], " ");
+    let words: Vec<&str> = clean.split_whitespace().collect();
+    if words.is_empty() {
+        return "Concept".to_string();
+    }
+
+    let pascal: String = words
+        .into_iter()
+        .map(|w| {
+            let mut chars = w.chars();
+            match chars.next() {
+                None => String::new(),
+                Some(f) => f.to_uppercase().collect::<String>() + &chars.as_str().to_lowercase(),
+            }
+        })
+        .collect();
+
+    match pascal.as_str() {
+        "File" => "File".to_string(),
+        "McpTool" | "Mcptool" | "Mcp" => "McpTool".to_string(),
+        "Databasetable" | "DatabaseTable" => "DatabaseTable".to_string(),
+        "Datastructure" | "DataStore" | "Datastore" => "DataStructure".to_string(),
+        "Architecturecomponent" | "ArchitectureComponent" | "Architecture" => "ArchitectureComponent".to_string(),
+        "Frontendcomponent" | "FrontendComponent" => "FrontendComponent".to_string(),
+        "Globalrule" | "GlobalRule" => "GlobalRule".to_string(),
+        "Securitypolicy" | "SecurityPolicy" => "SecurityPolicy".to_string(),
+        "Serviceaccount" | "ServiceAccount" => "ServiceAccount".to_string(),
+        "Testframework" | "TestFramework" => "TestFramework".to_string(),
+        "Toolhandler" | "ToolHandler" => "ToolHandler".to_string(),
+        "Historicalsummary" | "HistoricalSummary" => "HistoricalSummary".to_string(),
+        "Externalapi" | "ExternalApi" => "ExternalAPI".to_string(),
+        "Testsuite" | "TestSuite" => "TestSuite".to_string(),
+        "Confluencepage" | "ConfluencePage" => "ConfluencePage".to_string(),
+        "Containerimage" | "ContainerImage" => "ContainerImage".to_string(),
+        "Buildsystem" | "BuildSystem" => "BuildSystem".to_string(),
+        _ => pascal,
+    }
+}
+
+pub fn normalize_relation_type(input: &str) -> String {
+    let trimmed = input.trim();
+    if trimmed.is_empty() {
+        return "related_to".to_string();
+    }
+    trimmed.to_lowercase().replace([' ', '-'], "_")
+}
+
 #[derive(Debug, Clone, Serialize, Deserialize, JsonSchema)]
 pub struct Entity {
     pub name: String,
@@ -79,6 +131,8 @@ pub struct Snippet {
     pub description: String,
     pub updated_at: u64,
     #[serde(default)]
+    pub tags: Vec<String>,
+    #[serde(default)]
     pub embedding: Option<Vec<f32>>,
 }
 #[derive(Debug, Clone, Serialize, Deserialize, Default)]
@@ -234,3 +288,39 @@ pub struct StateSnapshot {
     pub description: String,
     pub namespace: String,
 }
+
+#[derive(Debug, Clone, Serialize, Deserialize, Default)]
+pub struct Hypothesis {
+    pub id: String,
+    pub task_id: Option<String>,
+    pub hypothesis: String,
+    pub status: String,
+    pub evidence: Option<String>,
+    pub timestamp: u64,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize, Default)]
+pub struct AgentSignal {
+    pub id: String,
+    pub sender: String,
+    pub signal_type: String,
+    pub payload: String,
+    pub timestamp: u64,
+    pub ttl_seconds: Option<u64>,
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use axum::http::StatusCode;
+    use axum::response::IntoResponse;
+    use crate::error::AppError;
+
+    #[test]
+    fn test_app_error_bad_request_invalid_json() {
+        let err = AppError::BadRequest("invalid json".into());
+        let res = err.into_response();
+        assert_eq!(res.status(), StatusCode::BAD_REQUEST);
+    }
+}
+