docs: sync documentation with v1.1.0 protocol and CLI changes

docs/protocols.md

@@ -11,10 +11,10 @@ goget supports 9 network protocols through a unified abstraction layer. Each pro
 | `sftp://` | SFTP | ✓ | ✓ | — | ✓ | `golang.org/x/crypto/ssh` |
 | `file://` | Local file | — | — | — | ✓ | Go stdlib `os` |
 | `data:` | Data URI | — | — | — | — | Go stdlib |
-| `gopher://` | Gopher | — | — | — | — | Custom implementation |
+| `gopher://` | Gopher | ✓ | — | — | — | Custom implementation |
 | `webdav://` `webdavs://` | WebDAV | ✓ | — | ✓ | ✓ | HTTP (via delegation) |
 
-| `gemini://` | Gemini | — | — | — | — | Custom implementation |
+| `gemini://` | Gemini | ✓ | — | — | — | Custom implementation |
 
 ## HTTP/HTTPS (`http://`, `https://`)
 
@@ -182,10 +182,14 @@ Implements the Gopher protocol as specified in RFC 1436.
 - **Type parsing** — Respects Gopher type codes (0 = text, 1 = directory, 9 = binary)
 - **Directory listing** — For recursive operations
 - **Text and binary downloads**
+- **Resume** — `.goget.meta` sidecar on interrupt for `typeHTML`,
+  `typeTextFile`, and `typeInformation` responses; `--resume` continues
+  interrupted Gopher transfers (skips already-written output bytes
+  — post-transform length because Gopher line metadata is stripped
+  before writing)
 
 ### Limitations
 
-- No resume
 - No parallel downloads
 - No encryption (Gopher has no TLS)
 - No upload
@@ -196,6 +200,9 @@ Implements the Gopher protocol as specified in RFC 1436.
 # Download a file from a Gopher server
 goget --url gopher://gopher.example.com/9/file.zip
 
+# Resume an interrupted Gopher text download
+goget --url gopher://gopher.example.com/0/article --output article.txt --resume
+
 # Browse a Gopher directory
 goget --url gopher://gopher.example.com/1/
 ```
@@ -235,21 +242,16 @@ goget --url gemini://gemini.example.com/ --pinned-cert a1b2c3d4e5f6...
 
 ```mermaid
 flowchart TD
-    URL[URL input]:::accent6
-    Parse["Parse URL"]:::accent7
-    Normalize["Normalize scheme\n(https→http, ftps→ftp)"]:::accent7
-    Registry["Look up in protocol registry"]:::accent1
-    Found{"Protocol found?"}:::accent4
-    Error["Unsupported protocol error"]:::accent4
-    Handle["Delegate to protocol handler"]:::accent1
+    URL[URL input]
+    Parse["Parse URL"]
+    Normalize["Normalize scheme\n(https→http, ftps→ftp)"]
+    Registry["Look up in protocol registry"]
+    Found{"Protocol found?"}
+    Error["Unsupported protocol error"]
+    Handle["Delegate to protocol handler"]
 
     URL --> Parse --> Normalize --> Registry
     Registry --> Found
     Found -->|Yes| Handle
     Found -->|No| Error
-
-    classDef accent1 fill:#22C55E,stroke:#16A34A,color:#fff
-    classDef accent4 fill:#EF4444,stroke:#DC2626,color:#fff
-    classDef accent6 fill:#6366F1,stroke:#4F46E5,color:#fff
-    classDef accent7 fill:#64748B,stroke:#475569,color:#fff
 ```