feat(actions): add PRESENT_POI and RESIZE action types for Horizon allocations

docs/allocation-management/README.md

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+# Allocation Management
+
+There are three ways to manage allocations, ranging from fully automated to fully manual:
+
+| Method | How it works | When to use |
+|--------|--------------|-------------|
+| **[Indexing Rules](./rules.md)** | Set rules, let the agent decide | Automated or semi automated management in AUTO/OVERSIGHT mode |
+| **[Action Queue](./action-queue.md)** | Queue actions, approve, execute | Batching, 3rd party tools |
+| **[Direct Commands](./direct.md)** | Execute immediately on-chain | One-off operations, debugging, immediate control |
+
+## Indexing Rules
+
+You define rules that specify which deployments to allocate to and how much stake to use. The agent's [reconciliation loop](../operation-modes.md) evaluates these rules and queues the necessary actions automatically using the [action queue](./action-queue.md).
+
+```bash
+graph indexer rules set QmXYZ... decisionBasis always allocationAmount 10000
+```
+
+**Best for:** Hands-off operation where you want the agent to manage allocations based on criteria like signal, stake thresholds, or explicit deployment lists.
+
+**Requires:** AUTO or OVERSIGHT mode. In MANUAL mode, the reconciliation loop is skipped and rules have no effect.
+
+→ [Full documentation](./rules.md)
+
+## Action Queue
+
+Actions are queued, reviewed, approved, and then executed by a background worker. This gives you oversight and control over what gets executed on-chain.
+
+```bash
+graph indexer actions queue allocate QmXYZ... 10000
+graph indexer actions approve 1
+```
+
+**Best for:**
+- Reviewing actions before execution (especially in OVERSIGHT mode)
+- Batching multiple operations
+- Integrating with 3rd party allocation optimizers
+- Maintaining a history of all allocation actions
+
+**Works in all modes.** In AUTO/OVERSIGHT, the agent also queues actions here. In MANUAL, you queue everything yourself.
+
+→ [Full documentation](./action-queue.md)
+
+## Direct Commands
+
+Execute allocation operations immediately on the blockchain, bypassing the action queue entirely.
+
+```bash
+graph indexer allocations create QmXYZ... 10000 --network arbitrum-one
+```
+
+**Best for:** One-off operations, debugging, or when you need immediate execution without waiting for the queue cycle.
+
+**Works in all modes.** These commands always execute immediately regardless of operation mode.
+
+→ [Full documentation](./direct.md)
+
+---
+
+## Automatic Rule Updates
+
+When allocation actions execute, via manually queuing actions or running direct commands, indexing rules are automatically updated to keep the agent in sync:
+
+| Action | Rule Update |
+|--------|-------------|
+| `allocate` | Sets `decisionBasis: ALWAYS` |
+| `unallocate` | Sets `decisionBasis: OFFCHAIN` |
+| `reallocate` | Sets `decisionBasis: ALWAYS` |
+| `resize` | Sets `decisionBasis: ALWAYS` |
+| `present-poi` | No change |
+
+This prevents the agent from fighting your manual changes in AUTO/OVERSIGHT mode.