style: capitalize "Relicario" in prose / UI / CLI help

Brand name uses capital R in user-facing text — extension UI strings,
CLI clap help / descriptions / error prose, markdown docs. Lowercase
preserved for the binary command, crate names, npm package, file
paths, env vars, and code identifiers.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

crates/relicario-cli/src/main.rs

@@ -1,4 +1,4 @@
-//! relicario CLI — the platform layer for the relicario password manager.
+//! Relicario CLI — the platform layer for the Relicario password manager.
 //!
 //! See module docs for the unlock flow and vault layout.
 
@@ -14,7 +14,7 @@ use clap::{Parser, Subcommand};
 #[command(
     name = "relicario",
     version,
-    about = "Git-backed password manager with reference-image two-factor unlock"
+    about = "Relicario — git-backed password manager with reference-image two-factor unlock"
 )]
 struct Cli {
     #[command(subcommand)]
@@ -462,7 +462,7 @@ fn cmd_init(image: PathBuf, output: PathBuf) -> Result<()> {
         ".relicario/salt", "manifest.enc", "settings.enc",
     ]).status()?;
     let status = crate::helpers::git_command(&root, &[
-        "commit", "-m", "init: new relicario vault (format v2)",
+        "commit", "-m", "init: new Relicario vault (format v2)",
     ]).status()?;
     if !status.success() { anyhow::bail!("git commit failed"); }
 
@@ -1477,7 +1477,7 @@ fn cmd_backup_restore(input: PathBuf, target: PathBuf) -> Result<()> {
 
     if target.join(".relicario").exists() {
         anyhow::bail!(
-            "target dir already contains a relicario vault; restore refuses to overwrite — use an empty directory: {}",
+            "target dir already contains a Relicario vault; restore refuses to overwrite — use an empty directory: {}",
             target.display()
         );
     }

crates/relicario-cli/tests/backup.rs

@@ -66,7 +66,7 @@ fn restore_refuses_non_empty_target() {
         .unwrap();
     assert!(!out.status.success());
     let err = String::from_utf8(out.stderr).unwrap();
-    assert!(err.contains("already contains a relicario vault"), "stderr: {err}");
+    assert!(err.contains("already contains a Relicario vault"), "stderr: {err}");
 }
 
 #[test]

crates/relicario-core/src/error.rs

@@ -1,4 +1,4 @@
-//! Unified error type for the relicario-core crate.
+//! Unified error type for the Relicario core crate.
 //!
 //! Every fallible function in this crate returns [`Result<T>`], which is an alias
 //! for `std::result::Result<T, RelicarioError>`. Using a single error enum keeps the
@@ -7,7 +7,7 @@
 
 use thiserror::Error;
 
-/// All errors that can originate from relicario-core operations.
+/// All errors that can originate from Relicario core operations.
 ///
 /// Variants are ordered roughly by the pipeline stage where they occur:
 /// KDF -> encryption -> decryption -> format parsing -> item lookup -> image
@@ -40,15 +40,15 @@ pub enum RelicarioError {
     UnsupportedFormatVersion { found: u8, expected: u8 },
 
     /// Backup file's first 4 bytes don't match the "RBAK" magic.
-    #[error("not a relicario backup file")]
+    #[error("not a Relicario backup file")]
     BackupBadMagic,
 
     /// Backup format version is newer than this binary supports.
-    #[error("backup created by a newer relicario; upgrade required")]
+    #[error("backup created by a newer Relicario; upgrade required")]
     BackupUnsupportedVersion { found: u8, expected: u8 },
 
     /// Backup envelope schema version doesn't match.
-    #[error("backup envelope schema v{found}; this relicario reads v{expected}")]
+    #[error("backup envelope schema v{found}; this Relicario reads v{expected}")]
     BackupSchemaMismatch { found: u32, expected: u32 },
 
     /// CSV header doesn't match the LastPass column layout.
@@ -157,7 +157,7 @@ mod tests {
     #[test]
     fn backup_errors_carry_useful_messages() {
         let bad = RelicarioError::BackupBadMagic;
-        assert!(format!("{}", bad).contains("not a relicario backup file"));
+        assert!(format!("{}", bad).contains("not a Relicario backup file"));
 
         let ver = RelicarioError::BackupUnsupportedVersion { found: 0x02, expected: 0x01 };
         let s = format!("{}", ver);

crates/relicario-core/src/lib.rs

@@ -1,6 +1,6 @@
 //! # relicario-core
 //!
-//! Platform-agnostic core library for the relicario password manager.
+//! Platform-agnostic core library for the Relicario password manager.
 //!
 //! This crate is intentionally **bytes-in/bytes-out** -- it performs no filesystem
 //! access, no network I/O, and no git operations. All inputs arrive as byte slices