chore: show TheCloud instead of Floci in console text and messages

Labels, empty states, error messages and defaults the console shows now name
TheCloud or its runtimes. Identifiers that must match the emulator (FLOCI_*
settings, the X-Floci-CSRF header, emulator-returned host names) are unchanged.

packages/api/src/services/sshCheck.ts

@@ -59,23 +59,23 @@ type SshCheckDependencies = {
 async function fetchDiagnostics(): Promise<DiagnosticResponse> {
     const endpoint = process.env.FLOCI_ENDPOINT
     if (!endpoint) {
-        throw new SshCheckError('DIAGNOSTICS_UNAVAILABLE', 'Floci diagnostics are unavailable', 503)
+        throw new SshCheckError('DIAGNOSTICS_UNAVAILABLE', 'TheCloud diagnostics are unavailable', 503)
     }
 
     let response: Response
     try {
         response = await fetch(`${endpoint}/_floci/diagnose`, {signal: AbortSignal.timeout(DEFAULT_TIMEOUT_MS)})
     } catch {
-        throw new SshCheckError('DIAGNOSTICS_UNAVAILABLE', 'Floci diagnostics are unavailable', 503)
+        throw new SshCheckError('DIAGNOSTICS_UNAVAILABLE', 'TheCloud diagnostics are unavailable', 503)
     }
     if (!response.ok) {
-        throw new SshCheckError('DIAGNOSTICS_UNAVAILABLE', 'Floci diagnostics are unavailable', 503)
+        throw new SshCheckError('DIAGNOSTICS_UNAVAILABLE', 'TheCloud diagnostics are unavailable', 503)
     }
 
     try {
         return await response.json() as DiagnosticResponse
     } catch {
-        throw new SshCheckError('DIAGNOSTICS_UNAVAILABLE', 'Floci diagnostics returned an invalid response', 502)
+        throw new SshCheckError('DIAGNOSTICS_UNAVAILABLE', 'TheCloud diagnostics returned an invalid response', 502)
     }
 }
 
@@ -149,12 +149,12 @@ export function createSshCheckService(dependencies: SshCheckDependencies = {}) {
                 diagnostics = await diagnosticFetcher()
             } catch (error) {
                 if (error instanceof SshCheckError) throw error
-                throw new SshCheckError('DIAGNOSTICS_UNAVAILABLE', 'Floci diagnostics are unavailable', 503)
+                throw new SshCheckError('DIAGNOSTICS_UNAVAILABLE', 'TheCloud diagnostics are unavailable', 503)
             }
 
             if (!diagnostics || typeof diagnostics !== 'object'
                 || !Array.isArray(diagnostics.ec2?.instances)) {
-                throw new SshCheckError('DIAGNOSTICS_UNAVAILABLE', 'Floci diagnostics returned an invalid response', 502)
+                throw new SshCheckError('DIAGNOSTICS_UNAVAILABLE', 'TheCloud diagnostics returned an invalid response', 502)
             }
             const instance = diagnostics.ec2.instances.find((candidate) => candidate.instanceId === instanceId)
             if (!instance) {