refactor: rename CLI command 'inkreach' -> 'inkreach-teable'

Rename the command (and its config namespace) to match the project name:

- bin:          inkreach        -> inkreach-teable
- program name: inkreach        -> inkreach-teable
- config dir:   ~/.inkreach/    -> ~/.inkreach-teable/
- env vars:     INKREACH_*      -> INKREACH_TEABLE_*
- all docs (SKILL.md, guides, api-reference, AGENTS.md, design doc, install.sh)

Unchanged (intentional):
- npm package name: @inkreach/teable-cli
- package directory: packages/inkreach-cli/
- skill name: inkreach-teable-ops
- organization/authors: 'inkreach' (npm scope @inkreach)

Existing config auto-migrated (~/.inkreach -> ~/.inkreach-teable). Verified
end-to-end: auth status, workflow list (636), build clean.

src/bin.ts

@@ -1,6 +1,6 @@
 #!/usr/bin/env node
 /**
- * inkreach — CLI for operating inkreach-teable.
+ * inkreach-teable — CLI for operating inkreach-teable.
  *
  * Entry point. Sets up the global commander program and mounts command groups.
  */
@@ -14,12 +14,12 @@ import { secretCommand, runsCommand, fireCommand, sqlCommand } from './commands/
 const program = new Command();
 
 program
-  .name('inkreach')
+  .name('inkreach-teable')
   .description(
     'Operate inkreach-teable: tables, fields, records, views, and the self-built automation engine (8 triggers + 6 actions).\n' +
       'Use --json for machine-readable output (agent parsing).'
   )
-  .version(`inkreach ${version}`, '-v, --version');
+  .version(`inkreach-teable ${version}`, '-v, --version');
 
 // Global options (highest precedence over config file + env).
 program