chore(client): mark all client tasks as completed

Phase 3 complete: alknet-client crate implemented with:
- AlknetClient struct with builder methods (with_quinn, with_tcp_tls, with_iroh, with_socks5_proxy)
- ClientDialError enum with 5 variants
- dial_quic, dial_tcp_tls, dial_iroh methods
- SOCKS5 proxy support (Socks5ProxyConfig, Socks5Credentials, Socks5UdpSocket)
- Unit tests (18) + integration test (3)
- All feature combos compile and test clean
- Workspace build and tests pass

tasks/client/client-core.md

@@ -1,7 +1,7 @@
 ---
 id: client/client-core
 name: Implement AlknetClient struct, new, and builder methods (with_quinn, with_tcp_tls, with_iroh, with_socks5_proxy)
-status: pending
+status: completed
 depends_on: [client/error-type]
 scope: moderate
 risk: medium

tasks/client/crate-init.md

@@ -1,7 +1,7 @@
 ---
 id: client/crate-init
 name: Initialize alknet-client crate with Cargo.toml, dependencies, and module skeleton
-status: pending
+status: completed
 depends_on: [tls/review-tls, endpoint/review-endpoint]
 scope: moderate
 risk: low

tasks/client/dial-iroh.md

@@ -1,7 +1,7 @@
 ---
 id: client/dial-iroh
 name: Implement dial_iroh — iroh dial, producing a Connection
-status: pending
+status: completed
 depends_on: [client/client-core]
 scope: moderate
 risk: medium

tasks/client/dial-quic.md

@@ -1,7 +1,7 @@
 ---
 id: client/dial-quic
 name: Implement dial_quic — QUIC dial via quinn, producing a Connection
-status: pending
+status: completed
 depends_on: [client/client-core]
 scope: moderate
 risk: medium

tasks/client/dial-tcp-tls.md

@@ -1,7 +1,7 @@
 ---
 id: client/dial-tcp-tls
 name: Implement dial_tcp_tls — TCP+TLS dial via tokio-rustls, producing a Connection
-status: pending
+status: completed
 depends_on: [client/client-core]
 scope: moderate
 risk: medium

tasks/client/error-type.md

@@ -1,7 +1,7 @@
 ---
 id: client/error-type
 name: Implement ClientDialError enum with five variants
-status: pending
+status: completed
 depends_on: [client/crate-init]
 scope: narrow
 risk: low

tasks/client/review-client.md

@@ -1,7 +1,7 @@
 ---
 id: client/review-client
 name: Review alknet-client implementation for spec conformance, API shape, and test coverage
-status: pending
+status: completed
 depends_on: [client/tests]
 scope: moderate
 risk: low

tasks/client/socks5-proxy.md

@@ -1,7 +1,7 @@
 ---
 id: client/socks5-proxy
 name: Implement SOCKS5 proxy support — Socks5ProxyConfig, Socks5Credentials, Socks5UdpSocket, and proxy integration in dial_quic/dial_tcp_tls
-status: pending
+status: completed
 depends_on: [client/dial-quic, client/dial-tcp-tls]
 scope: broad
 risk: high

tasks/client/tests.md

@@ -1,7 +1,7 @@
 ---
 id: client/tests
 name: Write unit tests for AlknetClient, dial methods, error type, and SOCKS5 proxy; add integration test for dial + take-over composition
-status: pending
+status: completed
 depends_on: [client/dial-quic, client/dial-tcp-tls, client/dial-iroh, client/socks5-proxy]
 scope: moderate
 risk: medium