fix: serialize BigInt values in readContract responses

readContract returns BigInt for uint256 fields which JSON.stringify
can't handle. Convert recursively to strings before returning.

Bumps CLI to 0.1.6.

Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]>

fix: use readContract for view/pure functions, remove session load log

contract write now checks ABI stateMutability — view/pure functions
use eth_call via publicClient instead of sending a transaction.
Also removes the noisy "Loaded session for" log on every command.

Bumps CLI to 0.1.5.

Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]>

fix: fetch Privy app ID from companion app for all URLs

Same pattern as the callback key fix — remove localhost-only guard
and let the CLI fetch the app ID from /api/session/callback-key
for production URLs too.

Bumps CLI to 0.1.4.

Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]>

fix: set User-Agent on outbound fetches to bypass Cloudflare bot filter

Cloudflare blocks Node.js default User-Agent on abs.xyz. Set AGW-CLI/1.0
on all companion app fetches (callback-key, RPC proxy).

Also fix --version output to match package.json.

Bumps CLI to 0.1.3.

Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]>

fix: update companion app URL from mcp.abs.xyz to cli.abs.xyz

The domain was changed; the old URL redirects with a 308 which the
CLI's fetch doesn't follow, causing a 403 on onboarding.

Bumps CLI to 0.1.2.

Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]>

chore: bump agw-cli to 0.1.1

Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]>

Restore CONTEXT.md and its test

CONTEXT.md serves as injected agent context, distinct from the
human-facing README. Restoring after accidental deletion.

Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]>