chore: bump version to 0.2.0 (#46)

Update all workspace crates to version 0.2.0 after completing M6 streaming milestone.

Changes:
- Bump root package version to 0.2.0
- Bump all 5 crate versions to 0.2.0
- Update CHANGELOG.md: mark [Unreleased] changes as [0.2.0] - 2026-02-06
- Update Cargo.lock

Author: bug-ops

CHANGELOG.md

@@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 
 ## [Unreleased]
 
+## [0.2.0] - 2026-02-06
+
 ### Added
 
 #### M6 Phase 1: Streaming trait extension (Issue #35)

Cargo.lock

@@ -33,7 +33,7 @@ pedantic = "warn"
 
 [package]
 name = "zeph"
-version = "0.1.0"
+version = "0.2.0"
 edition.workspace = true
 authors.workspace = true
 license.workspace = true

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "zeph-channels"
-version = "0.1.0"
+version = "0.2.0"
 edition.workspace = true
 authors.workspace = true
 license.workspace = true

crates/zeph-channels/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "zeph-core"
-version = "0.1.0"
+version = "0.2.0"
 edition.workspace = true
 authors.workspace = true
 license.workspace = true

crates/zeph-core/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "zeph-llm"
-version = "0.1.0"
+version = "0.2.0"
 edition.workspace = true
 authors.workspace = true
 license.workspace = true

crates/zeph-llm/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "zeph-memory"
-version = "0.1.0"
+version = "0.2.0"
 edition.workspace = true
 authors.workspace = true
 license.workspace = true

crates/zeph-memory/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "zeph-skills"
-version = "0.1.0"
+version = "0.2.0"
 edition.workspace = true
 authors.workspace = true
 license.workspace = true